NOVA
Explore scientific discoveries on television's most acclaimed science documentary series.
What Are UFOs?
S52 Ep1 | 53m 43s
Can science reveal the secrets of mysterious objects seen in our skies?
Extreme Airport Engineering
S52 Ep2 | 53m 40s
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.
When Whales Could Walk
S51 Ep1 | 53m 31s
Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.
Easter Island Origins
S51 Ep2 | 53m 17s
New evidence reveals the real story of Easter Island and the builders of its stone heads.
Building the Eiffel Tower
S51 Ep3 | 53m 29s
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.
Hunt for the Oldest DNA
S51 Ep4 | 53m 10s
Follow the quest to recover DNA millions of years old for the very first time.
Great American Eclipse
S51 Ep6 | 53m 34s
Explore the spectacular cosmic phenomenon of a total solar eclipse.
Decoding the Universe: Cosmos
S51 Ep8 | 53m 38s
Explore big discoveries that have revolutionized our understanding of the universe.
Solar System: Storm Worlds
S51 Ep9 | 53m 34s
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
Solar System: Strange Worlds
S51 Ep10 | 53m 34s
What are the weirdest worlds in our solar system, and how did they come to be?
Solar System: Volcano Worlds
S51 Ep11 | 53m 34s
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
Solar System: Icy Worlds
S51 Ep12 | 53m 34s
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Solar System: Wandering Worlds
S51 Ep13 | 53m 34s
Meet the surprising, oddball worlds moving around our solar system.
Decoding the Universe: Quantum
S51 Ep14 | 53m 40s
Dive into the universe at the tiniest – and weirdest – of scales.
Building Stuff: Boost It!
S51 Ep15 | 53m 40s
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
Building Stuff: Reach It!
S51 Ep16 | 53m 40s
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
Building Stuff: Change It!
S51 Ep17 | 53m 40s
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
Lost Tombs of Notre Dame
S51 Ep18 | 53m 40s
Mysterious bodies are found under one of the world’s most famous cathedrals.
London Super Tunnel
S50 Ep1 | 53m 20s
Thousands race to build Europe's biggest construction project–London's new railroad.
Ancient Builders of the Amazon
S50 Ep3 | 53m 21s
Archaeological discoveries reveal traces of ancient civilizations in the Amazon.
New Eye on the Universe
S50 Ep4 | 53m 31s
See the latest stunning images and discoveries from the James Webb Space Telescope.
Weathering the Future
S50 Ep5 | 53m 31s
Americans use ancient wisdom and new technology to fight extreme weather.
Chasing Carbon Zero
S50 Ep6 | 53m 31s
Here’s how the U.S. could reach net-zero carbon emissions by 2050.
Saving the Right Whale
S50 Ep7 | 53m 31s
Follow scientists determined to save the critically endangered right whale.
Hidden Volcano Abyss
S50 Ep8 | 53m 19s
Investigate one of the most powerful volcanic eruptions in recorded history.
Your Brain: Perception Deception
S50 Ep9 | 53m 30s
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
Your Brain: Who’s in Control?
S50 Ep10 | 53m 31s
Dive into the subconscious to see what’s really driving the decisions you make.
Ancient Earth: Birth of the Sky
S50 Ep11 | 53m 47s
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
Ancient Earth: Frozen
S50 Ep12 | 53m 46s
How did life survive on a planet covered in ice from pole to pole?
Ancient Earth: Life Rising
S50 Ep13 | 53m 47s
See how life made the leap to land, turning a barren landscape into a lush, green world.
Ancient Earth: Inferno
S50 Ep14 | 53m 45s
How did life bounce back after a cataclysmic extinction wiped out some 90% of all species?
Ancient Earth: Humans
S50 Ep15 | 53m 15s
How did Earth give rise to humans? See what made our species' existence possible.
Inside China’s Tech Boom
S50 Ep16 | 53m 20s
The inside story of China’s meteoric rise to the forefront of global innovation.
The Battle to Beat Malaria
S50 Ep17 | 53m 54s
Follow the quest to create a lifesaving malaria vaccine.
Lee and Liza’s Family Tree
S50 Ep18 | 53m 30s
A family turns to science in their struggle to rediscover a history obscured by slavery.
Augmented
S49 Ep4 | 1h 25m 2s
An ingenious new technology allows prosthetic legs to move and feel like the real thing.
Determined: Fighting Alzheimer’s
S49 Ep5 | 53m 28s
Follow three women enrolled in a new study to try to prevent Alzheimer’s.
Why Ships Crash
S49 Ep8 | 53m 20s
How could a single ship cause a major supply chain crisis around the globe?
Ice Age Footprints
S49 Ep9 | 53m 43s
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
Ultimate Space Telescope
S49 Ep10 | 53m 33s
Discover how NASA engineers built and launched the most ambitious telescope of all time.
Rebuilding Notre Dame
S49 Ep13 | 53m 30s
A team tackles the restoration of iconic Notre Dame Cathedral.
Computers v. Crime
S49 Ep14 | 53m 30s
Is artificial intelligence making policing and courts fairer, or is it increasing bias?
Can Psychedelics Cure?
S49 Ep15 | 53m 47s
Psychedelics are unlocking new ways to treat conditions like addiction and depression.
Ocean Invaders
S49 Ep16 | 53m 32s
Meet one of the ocean’s most beautiful and destructive species: Lionfish.
Crypto Decoded
S49 Ep18 | 53m 22s
What exactly is crypto, and how does it work? This technology is more than just money.
Zero to Infinity
S49 Ep19 | 53m 32s
Discover how the concepts of zero and infinity revolutionized mathematics.
Looking for Life on Mars
S48 Ep2 | 53m 46s
NASA launches its most ambitious search yet for traces of ancient life on Mars.
Reef Rescue
S48 Ep4 | 54m 6s
Scientists race to help corals adapt to warming oceans through assisted evolution.
Hindenburg: The New Evidence
S48 Ep6 | 53m 13s
A revealing new investigation of one of history’s most iconic aviation disasters.
The Cannabis Question
S48 Ep11 | 53m 36s
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
Particles Unknown
S48 Ep12 | 53m 28s
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
Edible Insects
S48 Ep14 | 53m 28s
Take a tasty look at insect foods that could benefit our health and our warming planet.
Polar Extremes
S47 Ep1 | 1h 52m 46s
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
Dog Tales
S47 Ep2 | 53m 21s
Follow the epic journey of dog domestication and see what science says about dogs’ love.
Cat Tales
S47 Ep3 | 53m 21s
Goddess, demon, house pet? What does science say about the human relationship with cats?
Mysteries of Sleep
S47 Ep4 | 53m 14s
Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?
Nature’s Fear Factor
S47 Ep9 | 53m 21s
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
Human Nature
S47 Ep11 | 1h 33m 41s
We can now edit the human genome with a tool called CRISPR. But how far should we go?
Can We Cool the Planet?
S47 Ep16 | 53m 31s
Scientists look to geoengineering and other methods to cool the planet.
Beyond the Elements: Reactions
S47 Ep17 | 53m 31s
Discover the fascinating chemistry that makes our world and everything in it—including us.
Beyond the Elements: Indestructible
S47 Ep18 | 53m 30s
Discover the fascinating chemistry that makes our world and everything in it—including us.
Beyond the Elements: Life
S47 Ep19 | 53m 32s
Discover the fascinating chemistry that makes our world and everything in it—including us.
Einstein’s Quantum Riddle
S46 Ep2 | 53m 51s
Join scientists as they grab light from across the universe to prove quantum entanglement.
Kīlauea: Hawaiʻi on Fire
S46 Ep3 | 53m 15s
Journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi in 2018.
Rise of the Rockets
S46 Ep5 | 53m 34s
New technologies are promising a new renaissance in space travel.
The Next Pompeii
S46 Ep6 | 53m 22s
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.
Back to the Moon
S46 Ep11 | 53m 32s
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
Rise of the Mammals
S46 Ep17 | 53m 27s
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Why Bridges Collapse
S46 Ep18 | 53m 25s
Can new engineering techniques help prevent deadly bridge collapses?
Decoding da Vinci
S46 Ep21 | 53m 31s
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
The Violence Paradox
S46 Ep22 | 1h 53m 22s
Is violence actually declining? If so, why? And can we build a more peaceful future?
Animal Espionage
S46 Ep23 | 53m 29s
Camera technology is revolutionizing the study of animals—without them even noticing.
Black Hole Apocalypse
S45 Ep1 | 53m 26s
Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.
Great Escape at Dunkirk
S45 Ep5 | 53m 15s
How courage and ingenuity saved Allied troops during the epic Dunkirk operation in 1940.
Decoding the Weather Machine
S45 Ep7 | 1h 53m 20s
Discover how Earth’s intricate climate system is changing.
Volcano on Fire
S45 Ep10 | 53m 37s
Climb into the crater of Nyiragongo, a seething and active African volcano.
Volcano on the Brink
S45 Ep11 | 53m 37s
Explore Africa’s sleeping giant—Nyamuragira, one of the world’s most dangerous volcanoes.
Addiction
S45 Ep12 | 53m 45s
Discover how opioid addiction affects the brain and how treatments are saving lives.
Thai Cave Rescue
S45 Ep14 | 53m 34s
Follow the harrowing operation to rescue 12 boys stranded in a flooded cave in Thailand.
Operation Bridge Rescue
S45 Ep16 | 53m 21s
Follow engineers and woodworkers as they rebuild an iconic American covered bridge.
World’s Fastest Animal
S45 Ep17 | 53m 4s
See the world through the eyes of nature’s fastest animal—the peregrine falcon.
Ultimate Cruise Ship
S44 Ep4 | 53m 9s
Join pioneering shipbuilders as they embark on a feat of maritime engineering.
Building Chernobyl’s MegaTomb
S44 Ep8 | 52m 55s
Engineers race to build a massive dome to contain the crumbling remains of the reactor.
Killer Volcanoes
S44 Ep16 | 54m 10s
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
Killer Hurricanes
S44 Ep17 | 53m 11s
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.
Killer Floods
S44 Ep18 | 54m 10s
Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.
Bird Brain
S44 Ep20 | 53m 32s
Watch as birds solve puzzles and challenge our basic notions of intelligence.
Iceman Reborn
S43 Ep5 | 53m 32s
Watch as Otzi, a 5000-year-old mummy, is brought to life and preserved with 3D modeling.
Can Alzheimer’s Be Stopped?
S43 Ep8 | 52m 51s
Join investigators as they untangle the cause of Alzheimer’s and race to develop a cure.
Vikings Unearthed
S43 Ep10 | 1h 52m 52s
Uncover the truth behind the legendary Vikings and their epic journey to the Americas.
Operation Lighthouse Rescue
S43 Ep13 | 53m 41s
Join engineers as they race to rescue a historic lighthouse from certain doom.
Bombing Hitler’s Supergun
S43 Ep14 | 53m 49s
Discover how Allied forces conspired to destroy one of Hitler’s most diabolical weapons.
School of the Future
S43 Ep15 | 1h 53m 34s
How can the science of learning help us rethink the future of education for all children?
Secrets of Noah’s Ark
S42 Ep12 | 53m 9s
A team attempts to build the flood boat using inscriptions from an ancient clay tablet.
Arctic Ghost Ship
S42 Ep16 | 53m 37s
An astonishing find could solve the mystery of Sir John Franklin’s lost expedition.
CyberWar Threat
S42 Ep17 | 53m 10s
As internet connections multiply so do points of attack and risks to national security.
Making North America: Origins
S42 Ep20 | 53m 35s
Experience the colossal geologic forces that shaped our continent over 3 billion years.
Making North America: Life
S42 Ep21 | 53m 35s
How did massive volcanic eruptions, inland seas, and land bridges pave the way for life?
Making North America: Human
S42 Ep22 | 53m 36s
How has the land shaped our lives, from the arrival of the first Americans to today?
Inside Einstein’s Mind
S42 Ep23 | 53m 7s
Retrace the thought experiments that inspired his theory on the nature of reality.
Zeppelin Terror Attack
S41 Ep2 | 52m 52s
Discover how Germany’s Zeppelins rained fiery terror on London in World War I.
Vaccines—Calling the Shots
S41 Ep14 | 53m 10s
Examine the science behind vaccinations and the risks of opting out.
Doomsday Volcanoes
S40 Ep1 | 52m 52s
Could the explosion of Iceland's ticking time bombs cause cold and famine worldwide?
Decoding Neanderthals
S40 Ep2 | 53m 10s
Shared DNA reveals a deep connection with our long-vanished human cousins.
Building Pharaoh’s Chariot
S40 Ep5 | 52m 52s
A team uncovers the advanced engineering behind an ancient Egyptian war machine.
Mind of a Rampage Killer
S40 Ep8 | 52m 53s
Can science help us understand why some people commit horrific acts of mass murder?
Manhunt—Boston Bombers
S40 Ep14 | 53m 10s
Which technologies worked in the race to track down the men behind the marathon attack?
At the Edge of Space
S40 Ep23 | 52m 52s
Can scientists unravel the mysterious phenomena that lurk between Earth and space?
Deadliest Earthquakes
S38 Ep1 | 53m 5s
Big quakes are inevitable, but can we prevent their devastation?
Making Stuff: Stronger
S38 Ep2 | 53m 10s
David Pogue tests his mettle against the world's strongest stuff.
Finding Life Beyond Earth
S38 Ep13 | 1h 43m 15s
We are on the verge of answering one of the greatest questions in history: Are we alone?
The Fabric of the Cosmos: What Is Space?
S38 Ep16 | 53m 40s
Surprising clues indicate that space is very much something and not nothing.
The Fabric of the Cosmos: The Illusion of Time
S38 Ep17 | 53m 40s
It defines our lives, but what is time really? Have a look into its true nature.
The Fabric of the Cosmos: Quantum Leap
S38 Ep18 | 53m 40s
Take a wild ride into the quantum realm, where even the impossible seems possible.
The Fabric of the Cosmos: Universe or Multiverse?
S38 Ep19 | 53m 10s
Is our universe unique, or could it be just one in an endless "multiverse"?
Doctors’ Diaries
S36 Ep8 | 1h 42m 48s
Seven doctors, 21 years... Saving lives is only part of the story.
Car of the Future
S35 Ep9 | 53m 12s
The "Car Talk" guys look for a new breed of clean, fuel-efficient vehicles.
Forgotten Genius
S34 Ep3 | 1h 52m 42s
The story of how African-American Percy Julian defied the odds to become a famous chemist.
Storm That Drowned a City
S32 Ep18 | 52m 31s
What led to the devastating floods that Hurricane Katrina unleashed on New Orleans?
Life and Death in the War Zone
S31 Ep6 | 53m 50s
An American combat hospital mobilized in Iraq faces a daily drama of wartime treatment.
Origins: Earth is Born
S31 Ep11 | 51m 52s
Journey back to the beginning of everything: the universe, Earth, and life itself.
Origins: How Life Began
S31 Ep12 | 50m 52s
Journey back to the beginning of everything: the universe, Earth, and life itself.
Origins: Where are the Aliens?
S31 Ep13 | 53m 31s
Journey back to the beginning of everything: the universe, Earth, and life itself.
Origins: Back to the Beginning
S31 Ep14 | 53m 31s
Learn about the elements and their roles in the universe.
The Elegant Universe: Part 1
S30 Ep12 | 52m 55s
Combining the laws of the universe in one theory that explains it all is the Holy Grail
The Elegant Universe: Part 2
S30 Ep13 | 52m 56s
Do miniscule vibrating strands of energy hold the key to a unified theory of physics?
The Elegant Universe: Part 3
S30 Ep14 | 53m 6s
Will experimental particle physics confirm the wild predictions of string theory?
Dying to Be Thin
S27 Ep15 | 53m 40s
Anorexia, bulimia, and other eating disorders are on the rise. What can be done?
B-29 Frozen in Time
S23 Ep3 | 53m 54s
In Greenland, a deserted B-29 bomber awaits rescue for more than fifty years.
Putting Energy to Use Old
2m 14s
Society has been revolutionized by our ability to convert energy from one form to another.
Solving the Storage Problem
2m 26s
Finding better ways to store electricity is critical for a sustainable energy future.
Satellites use portions of the electromagnetic spectrum that are invisible to our eyes.
Fertilizing the Amazon
3m 27s
Nutrient-rich dust from the Saharan Desert blows across the ocean to the Amazon.
How the 1918 Flu Infected People
25s
The 1918 flu virus infects deep in the lungs, which may have made it more deadly.
What Made the 1918 Flu So Deadly?
1m 28s
The 1918 flu killed at least 50 million people, more than died from battle in World War I.
Chemotherapy Goes Small
1m 17s
Scientists are using nanoparticles to make more effective chemotherapy treatments.
Wheat Straw Plastic
1m 4s
A car company is reducing petroleum use by using wheat straw in their plastic.
Life-Saving Non-Newtonian Fluids
1m 43s
These materials are used in shock absorbers and to make buildings earthquake resistant.
Silicon is a semiconductor, and makes an excellent transistor in a computer chip.
Shrinking Chips
1m 6s
Silicon transistors allow engineers to shrink a transistor to the size of a few atoms.
Pizza Transistor
1m 34s
Researchers are using nano-wires to cram more transitors into a computer chip.
Invisibility Cloak
1m 22s
Researchers are bending microwaves to make an invisibility cloak device from radar.
Mild Traumatic Brain Injury
3m 36s
Neuroscientists are beginning to understand what happens when a person receives a concussi
Eye Robot
1m 51s
Researchers guide this non-mechanical microrobot through the eye using external magnetics.
Bee Toxin
1m 31s
The microscopic nanodevices are designed to carry the bee toxin safely through the body.
David’s Race
1m 28s
What has UPS built into its trip-route algorithm to cut fuel and reduced carbon emissions?
Traveling Salesman
1m 21s
Just 25 drop-off points means more than 15 trillion, trillion possible routes.
New York City One Year Later: Telecommunications
3m 14s
After Sandy nearly wiped out landlines in lower Manhattan, Verizon rebuilds its network.
Pitcher Plant
1m 48s
This pitcher plant-inspired nonstick technology can be used for anti-icing coatings.
Hagfish Defense
1m 36s
The hagfish protects itself by releasing a mass of slime that chokes the predator.
Virus Battery
2m 21s
Belcher has genetically engineered a virus to get its coat to bond with tiny metal bits.
Elephant Arm
1m 22s
The arm is controlled by inflating an accordion-like tube on one side to bend the arm.
Chicken Feathers
1m 56s
When you heat chicken feathers to 750 degrees F they become over 200 times more absorbent.
To create an electricity-powered vehicle, you need a battery that holds enough energy.
Muons
1m 25s
Early nuclear detectors couldn't pick-up radioactive emissions shielded by lead or steel.
Plants White
2m 11s
Lead researcher June Medford says her lab programmed the plants by taking control of their
Earthquake Test
2m 3s
By retrofitting this building with strong wooden beams that have a bit of give, researcher
David Drives
1m 27s
Researchers measure a driver's brain activity responding to different driving situations.
Shelley
2m 7s
Self-driving cars use multiple technologies to “see” the road and obstacles along the way.
Sneak Peek: Making Stuff Wilder
6m 14s
Host David Pogue learns how hagfish slime might be used in the clothing of the future.
Superconductor
1m 47s
Using helium to cool superconductor electricity lines can greatly reduce energy lost.
Animal Robot 1
2m 35s
For the last few years, Raibert has been applying what he's learned to solve a problem.
Therapeutic Hypothermia
1m 11s
Some patients previously thought dead have been revived with little brain damage.
Therapeutic Hypothermia 3
1m 43s
They survived because they were able to shut off their body's demand for oxygen.
Therapeutic Hypothermia 4
2m 1s
This innovation could revolutionize ER medicine and save thousands of lives.
Soft-Story Buildings
7m 36s
Engineers are working to prevent buildings from collapsing during earthquakes.
RNAi Explained
1m 47s
An immune response recently discovered in plants and some animals is called RNAi.
The Mother of Hubble
2m 28s
Astronomer Nancy Roman worked on Hubble's design and development for more than 25 years.
Rock Time Capsules
1m 18s
This place is a paradise for geologists and one of our national treasures. It is, of cour
The Sandstone Top of the Canyon
1m 15s
This is not the easiest thing to do—especially in a 100 degree heat—but it’s worth it.
340 million years ago, a warm shallow sea covered all of the American Southwest.
Where you find agates, volcanoes—the source of the gas bubbles—are usually not far way.
Five Steps of Volcanic Rock
26s
These falls are the record of a series of volcanic eruptions that happened in this area.
Tearing North America Apart
1m 1s
A map of the Midwest of the United States shows the distribution of basalt flows.
Fossilized Sand Dunes
1m 15s
This is Zion Canyon. Its 2000-foot sandstone cliffs are among the tallest of their kind.
But why is it that these layers that were once horizontal are now standing on their heads?
Manhattan Schist
1m 13s
All over the city you can see outcrops of bedrock. It’s called Manhattan schist.
From Mud to Rock
1m 36s
It’s the tough Manhattan schist rock that’s allowed the city’s skyscrapers to soar.
It's actually the geology that gives this very American city its very particular look.
When the sand is swept away the stromatolites are vulnerable to the seaweeds.
Hell Creek Formation
1m 10s
These are the North Dakota Badlands… thousands of square miles of arid gullies and buttes.
Tyler Lyson is a paleontologist who’s been digging up dinosaur fossils in these badlands.
Making Granite From Volcanic Rock
2m 16s
It would take dramatic transformations to turn volcanic islands into the first continents.
A Massive Volcanic Eruption
1m 14s
This rock is what remains from one of the biggest volcanic eruptions ever.
Evidence discovered in the world’s highest tombs reveals ancient rituals and beliefs.
Sea Change: Bounty in the Gulf of Maine
53m 30s
Discover the lasting impact of how international trade forever changed the Gulf of Maine’s bounty.
Sea Change: Peril in the Gulf of Maine
53m 30s
Explore Cashes Ledge - part of the Gulf of Maine that helps power the Gulf’s more than 3,000 species
Sea Change: Survival in the Gulf of Maine
53m 30s
Meet the people leading new efforts to shape the future of the Gulf of Maine and our oceans.
Harvesting the Future
9m 22s
Ak-chin farming makes desert agriculture possible, and now, those practices help communities today.
Keepers of the Coastline
11m 56s
In Northern California, Marine science is guided by Tolowa Dee-ni' Nation’s community and culture.
Megadroughts and Indigenous Voices
7m 51s
The Southwest is in a megadrought, but Native Americans have survived them before.
Sands of Time
6m 47s
Using photo archives and ancestral knowledge, witness coastal erosion in Bristol Bay, Alaska.
Standing the Heat
8m 44s
Reintroducing the hogan, an earthen Navajo structure that stays cool in the summers without AC.
Tides of Tradition
9m 47s
Following a local Unangax̂ hunter, hear the realities of food access in the changing Arctic.
Hunt for the Oldest DNA: Extended Version
1h 24m 39s
Follow the quest to recover DNA millions of years old for the very first time.
What Are UFOs? Preview
S52 Ep1 | 30s
Can science reveal the secrets of mysterious objects seen in our skies?
Is the Government Hiding Information on UFOs?
S52 Ep1 | 1m 3s
What does the government know about UFOs? Experts weigh in on the need to identify these objects.
Area 51: UFO Sightings and an Infamous Government Cover-Up
S52 Ep1 | 2m 35s
Area 51’s UFO myths became a cover for secret testing of cutting-edge military technology.
What You’re Probably Seeing If You Spot a UFO
S52 Ep1 | 2m 17s
Our skies are full of objects, natural and manmade, that are not as strange as you might think.
Extreme Airport Engineering Preview
S52 Ep2 | 30s
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.
What Happens to Your Checked Bag at the Airport?
S52 Ep2 | 2m 34s
Getting the right bag to the right plane requires an ingenious system. Here’s how it works.
Dino Birds Preview
S52 Ep3 | 29s
Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.
How Birds Survived the Dinosaur Apocalypse
S52 Ep3 | 2m 48s
Birds are today’s only living dinosaurs, but how did they survive the asteroid?
Egypt’s Tombs of Amun Preview
S52 Ep4 | 30s
A long lost ancient cemetery opens the door to a unique period in Egyptian history.
Pompeii’s Secret Underworld Preview
S52 Ep5 | 30s
A long lost ancient cemetery opens the door to a unique period in Egyptian history.
How parrots swing like monkeys
1m 36s
Like monkeys, parrots are also able to travel by suspending their body weight.
The force that makes up more than half of the universe
1m 40s
Dark Energy was first discovered in 1998, and scientists don’t fully understand it.
Rare stellar explosion will ignite a “new star”
1m 17s
Sometime between now and September a star will explode.
How to watch the eclipse without burning your eyes
1m 59s
A total solar eclipse is coming. If you want to check it out, you need eye protection.
How America watched the solar eclipse
2m 13s
Millions witnessed the Moon cover the Sun on April 8, some viewers sent us their videos.
Are winters getting less snowy?
4m 49s
It’s not just your imagination, winters across the U.S. are changing.
New map of the universe hints that dark energy may be evolving
3m
Dark energy fundamentally shapes our universe and what astronomers know about it might be wrong.
Total Eclipse in the Heart of Texas Hill Country
6m 41s
People from all over the country converge on a small Texas town to see a total solar eclipse.
First ape ever seen using medicinal plant to treat wound
1m 58s
After this orangutan sustained a gnarly facial wound, he did something kind of human-like.
These cheeses are at risk of going extinct
1m 11s
The culprit is a lack of microbial biodiversity in the mold used to make iconic French cheeses.
What Dating Apps Know About You
2m 51s
You might be collecting matches, but dating apps are collecting your data.
A Hidden Cause of Sinkholes Is Lurking Underground
2m 21s
About 40% of the U.S. is susceptible to sinkholes.
What Happened to the Hole in the Ozone Layer?
3m 13s
In the 1980s scientists discovered a crucial part of the Earth’s atmosphere was extremely thin.
Can Technology Detect Deepfakes Better Than Humans Can?
7m 9s
AI-generated photos are video are getting so good that it’s hard for humans to tell what’s real.
This Powerful Psychedelic May Help Treat Opioid Addiction
3m 28s
In recent decades, there's been renewed interest in studying ibogaine.
How Medieval Armorers Made Knights Bulletproof
2m 15s
Knights and firearms clashed on the battlefield for over 200 years.
Sir Arthur C. Clarke’s Vision of the Computer-Dominated Future
1m 39s
Watch this interview with Sir Arthur C. Clarke for The Mind Machine (1978.)
Flight Turbulence Is Actually Getting Worse
1m 48s
It’s not all in your head - flights really are bumpier these days.
What Happens to Your Body During a Speed Eating Competition?
5m 16s
Competitive eaters stretch their stomachs beyond limits. Here’s what happens inside their bodies.
The Physics of Breaking, a New Olympic Sport
1m 19s
Here are three moves in breaking, the newest Olympic sport, that appear to defy the laws of physics.
When Whales Could Walk Preview
S51 Ep1 | 30s
Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.
Ancient whale fossils found in the desert
S51 Ep1 | 2m 10s
What is this whale skeleton doing in the Egyptian Sahara Desert?
How Did Whales Evolve From Land Mammals?
S51 Ep1 | 3m 8s
The story of whales’ evolution from land mammals is hidden in their genes.
Easter Island Origins Preview
S51 Ep2 | 30s
Surprising new evidence is rewriting the story of the giant stone heads of Easter Island.
How Ancient Easter Island statues “walked”
S51 Ep2 | 2m 17s
These giant stone heads were not dragged on sleds, as once thought.
What really led to the collapse of Easter Island?
S51 Ep2 | 2m 58s
What happened to the Rapa Nui civilization is shrouded in mystery.
Building the Eiffel Tower Preview
S51 Ep3 | 30s
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time.
Why is the Eiffel Tower Shaped Like That?
S51 Ep3 | 1m 58s
The Eiffel Tower was a completely novel design at the time it was built.
5 things to know about the Eiffel Tower
S51 Ep3 | 1m 40s
Did you know that the Eiffel Tower was once red?
Inside the Construction of the Statue of Liberty
S51 Ep3 | 2m 59s
The Statue of Liberty was one of the most innovative engineering feats of it’s time.
The Mysterious Illness That Befell Eiffel Tower Construction Workers
S51 Ep3 | 2m 50s
Building the massive Eiffel tower on the bank of the Seine River posed more than one challenge.
Hunt for the Oldest DNA Preview
S51 Ep4 | 30s
Follow the quest to recover DNA millions of years old for the very first time.
When Camels Roamed the Arctic
S51 Ep4 | 2m 54s
The oldest DNA ever recovered revealed an ecosystem unlike anything that exists today.
How A.I. is fighting wildfires
S51 Ep5 | 1m 34s
Firefighters are using AI to find wildfires before they explode.
The Birth of Artificial Intelligence
S51 Ep5 | 3m 24s
The origins of modern AI can be traced back to World War II.
How Large Language Models Like ChatGPT Work
S51 Ep5 | 1m 44s
It’s not always easy to tell the difference between writing by a human and ChatGPT.
How Deepfakes Manipulate Reality
S51 Ep5 | 4m 22s
Deepfakes are getting more convincing and easier to make.
Great American Eclipse Preview
S51 Ep6 | 30s
Explore the spectacular cosmic phenomenon of a total solar eclipse.
The Sun is way more chaotic than you think
S51 Ep6 | 3m 59s
Every now and then the sun hurls a piece of itself into the solar system.
Secrets in Your Data Preview
S51 Ep7 | 30s
Find out who’s using your data and what you can do about it.
Is your phone listening to you?
S51 Ep7 | 4m 25s
It doesn’t have to – advertisers may already have all the information they want to know about you.
How to make your data more private online
S51 Ep7 | 4m 2s
You do have some control in how much data you share online.
Are Your Online Passwords as Safe as You Think?
S51 Ep7 | 2m 22s
Your dog's name, birthday, and zip code do not make secure passwords.
Decoding the Universe: Cosmos Preview
S51 Ep8 | 30s
Explore big discoveries that have revolutionized our understanding of the universe.
How Vera Rubin broke barriers in astronomy
S51 Ep8 | 4m 4s
Vera Rubin's work provided convincing evidence for a mysterious substance, dark matter.
The Deepest Underground Lab in the U.S.
S51 Ep8 | 1m 44s
A team of researchers hunt for dark matter deep underground in the Black Hills of South Dakota.
Solar System: Storm Worlds Preview
S51 Ep9 | 30s
Discover the dramatic forces creating spectacular weather on neighboring planets and moons.
Venus: The Planet With Battery Acid Clouds
S51 Ep9 | 3m 27s
This is what it would be like to walk on the surface of Venus.
How the Martian Atmosphere Helped Nasa’s Rovers Restore Energy
S51 Ep9 | 2m 59s
Martian dust devils may have helped NASA’s rovers restore power during mission.
Solar System: Strange Worlds Preview
S51 Ep10 | 30s
What are the weirdest worlds in our solar system, and how did they come to be?
How a Walnut-Shaped Moon Help Shape Saturn’s Rings
S51 Ep10 | 2m 35s
For millions of years, a tiny moon has made a significant impact on the structure of Saturn’s rings.
Why is Haumea Shaped Like an Egg?
S51 Ep10 | 2m 30s
Most objects with a radius over 200 miles are spherical, but Haumea is an exception.
Solar System: Volcano Worlds Preview
S51 Ep11 | 30s
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
This Tiny Moon Is a Volcanic Powerhouse
S51 Ep11 | 2m 45s
Io’s intense volcanic activity defies all expectations.
Enceladus: A Frozen Moon With Explosive Eruptions
S51 Ep11 | 1m 56s
Enceladus’ small size and icy surface is no limitation to its extreme volcanism.
Could This Icy Moon’s Ocean Support Life?
S51 Ep11 | 1m 21s
Hydrothermal vents in Enceladus’ ocean may hold the promise of life.
Solar System: Icy Worlds Preview
S51 Ep12 | 30s
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Why Do Comets Have Tails?
S51 Ep12 | 55s
As comets cross the invisible boundary known as the ice line, their ice starts turning into gas.
This Moon May Have the Ingredients for Life
S51 Ep12 | 2m 14s
The ocean beneath Europa’s icy shell might be an ideal environment for life.
Solar System: Wandering Worlds Preview
S51 Ep13 | 30s
Meet the surprising, oddball worlds moving around our solar system.
Cameras Capture Earthbound Meteorite
S51 Ep13 | 1m 39s
Some large meteorites survive their descent through our atmosphere and land on Earth.
Could Mars Have a Ring Around It One Day?
S51 Ep13 | 2m 16s
The moon Phobos has a mysterious origin but a certain expiration date.
Decoding the Universe: Quantum Preview
S51 Ep14 | 30s
Dive into the universe at the tiniest – and weirdest – of scales.
The Most Baffling Idea in Physics, Explained
S51 Ep14 | 3m 33s
Quantum entanglement defies our everyday understanding of reality.
How Atomic Clocks Keep Perfect Time
S51 Ep14 | 2m 15s
Atomic clocks use quantum physics and the resonant frequency of atoms, like cesium, to define time.
Building Stuff: Boost It! Preview
S51 Ep15 | 30s
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing ways.
Creating a Robotic Double Dutch Machine
S51 Ep15 | 5m 8s
Blending innovation and culture, engineers bring a robotic Double Dutch machine to life.
Building Stuff: Reach It! Preview
S51 Ep16 | 30s
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
Building Stuff: Change It! Preview
S51 Ep17 | 30s
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
Lost Tombs of Notre Dame Preview
S51 Ep18 | 30s
Mysterious bodies are found under one of the world’s most famous cathedrals.
Who is the Mystery Man Buried Under Notre Dame?
S51 Ep18 | 3m
Can scientists identify the man buried inside a mysterious coffin found under Notre Dame?
Astronaut Walter Cunningham on the Historic Apollo 7 Mission
32m 26s
He discussed the first crewed Apollo mission, Apollo 7, with NOVA in 1998.
The Mystery and Physics of the Spiral Football Pass
3m 43s
The way the spiral football pass travels through the air baffled physicists for years.
Soothing Science: The Light You See at Sunset
8m 1s
Relax to the sound of the ocean and discover the science behind sunsets.
There’s Something Living in Wildfire Smoke
1m 59s
Wildfire smoke can carry harmful microorganisms long distances.
How the West Is Making It Rain, With Science
6m 22s
A method of boosting snow and rainfall may help ease drought conditions in the western US.
This Fungus Is Spreading Rapidly in Hospitals
3m 24s
Cases of Candida auris are increasing every year.
Could Whale Poop Help Cool the Planet?
2m 43s
Marine biologists unravel how whales and their poop trap carbon and feed the ocean.
What Made the Titan Submersible Design Unconventional?
5m 5s
An international investigation into the fatal submersible implosion is underway.
The nation’s first big offshore wind farm is coming
5m 22s
The first commercial-scale offshore wind farm in the US is being built off Massachusetts.
Rare Fossil Appears to Show Mammal Attacking Dinosaur
3m 26s
Could a small mammal take down a dinosaur?
Introducing the NOVA Science Studio Program
2m 42s
The NOVA Science Studio is a youth science journalism program for high school students.
How To Film Great Video With A Phone | NOVA Science Studio
3m 54s
NOVA producer Alex Clark shares 3 fundamentals of shooting with a smartphone.
Complete Guide To Editing | NOVA Science Studio Tutorials
16m 21s
Learn editing tips and techniques to ensure a cohesive story from start to finish
Mastering Lighting and Audio in Video | NOVA Science Studio
4m 4s
Elevate lighting and audio with these techniques to highlight creative storytelling
How To Do A Video Interview | NOVA Science Studio Tutorial
3m 56s
Interviewing is one of the most important parts of creating compelling videos
What to know about the “Ring of Fire” Eclipse
46s
The "Ring of Fire" eclipse is coming. Seriously, don’t look directly at it.
London Super Tunnel Preview
S50 Ep1 | 27s
Thousands race to build Europe's biggest construction project–London's new railroad.
How Engineers Soundproof a New Underground Train Track
S50 Ep1 | 2m 57s
Part of the new London track is directly below an iconic performing arts center.
These Trains Take Over for Their Drivers to Cut Travel Time
S50 Ep1 | 2m 54s
Can trains save their drivers time by changing direction on their own?
Star Chasers of Senegal Preview
S50 Ep2 | 27s
A visionary scientist investigates the deep history of astronomy in West Africa.
How to Calculate Time With an Islamic Astrolabe
S50 Ep2 | 2m 38s
It is one of Islamic science’s most important and complex astronomical instruments.
These Ancient Stones Helped Track the Seasons
S50 Ep2 | 2m 57s
Mysterious stone arrangements reveal Senegal’s ancient connections to astronomy.
Ancient Builders of the Amazon Preview
S50 Ep3 | 27s
Archaeological discoveries reveal traces of ancient civilizations in the Amazon.
Ancient Cliff Paintings in the Amazon
S50 Ep3 | 3m 20s
The painted cliffs of La Lindosa open a window onto the lives of Ice Age Amazonians.
Ancient Pyramids Uncovered in the Amazon
S50 Ep3 | 3m 56s
This discovery rewrites the history of complex societies on the continent.
New Eye on the Universe Preview
S50 Ep4 | 27s
See the latest stunning images and discoveries from the James Webb Space Telescope.
How NASA Colors Images of the Universe
S50 Ep4 | 3m 8s
Data image developers combine science and art to bring color to JWST's images.
JWST Searches for Life in Our Solar System
S50 Ep4 | 6m 22s
Can NASA’s most powerful telescope detect key ingredients for life as we know it?
Weathering the Future Preview
S50 Ep5 | 30s
Americans use ancient wisdom and new technology to fight extreme weather.
How Extreme Heat Overwhelms the Human Body
S50 Ep5 | 1m 26s
When it comes to extreme weather, heat can be a “silent killer.”
How Sewage Becomes Drinking Water
S50 Ep5 | 2m 51s
How do you make wastewater drinkable? It starts at the sewage treatment plant.
How Coating Roads Could Help Beat the Heat
S50 Ep5 | 1m 48s
A pilot program in Phoenix, Arizona aims to cool the city by making the ground less hot.
Hurricanes Are Getting More Destructive
S50 Ep5 | 4m 15s
Recent hurricanes blow away records for destruction, costing over a trillion dollars in 20 years.
Chasing Carbon Zero Preview
S50 Ep6 | 29s
Here’s how the U.S. could reach net-zero carbon emissions by 2050.
Chasing Carbon Zero Sneak Peek
S50 Ep6 | 1m
A new film from NOVA examines technologies that could get us to carbon zero by 2050.
Why Induction Stoves Are Better for You and the Environment
S50 Ep6 | 2m 56s
Induction stovetops are an energy-efficient alternative to traditional gas stoves.
How Heat Pumps Can Help Cities Lower Carbon Emissions
S50 Ep6 | 4m 17s
Landlords are switching from gas furnaces to heat pumps to reduce their carbon footprint.
Saving the Right Whale Preview
S50 Ep7 | 27s
Follow scientists determined to save the critically endangered right whale.
Meet Snow Cone the Right Whale and Her Calf
S50 Ep7 | 4m 32s
Since 2010, the average time between North Atlantic right whale births has increased.
Scientists Attempt To Free Entangled Right Whale
S50 Ep7 | 3m 30s
Entanglement responders work to free a critically endangered whale from rope.
Hidden Volcano Abyss Preview
S50 Ep8 | 30s
Investigate one of the most powerful volcanic eruptions in recorded history.
Scientists Make Rare Discovery in Active Volcano
S50 Ep8 | 2m 58s
Volcanologists visit Tofua to study the volcano’s activity.
How an Underwater Volcano Produced a 60-Foot Tsunami
S50 Ep8 | 2m 35s
The most explosive event ever recorded on Earth—and the massive tsunami that followed.
Witnesses Recount Surviving a Volcanic Explosion
S50 Ep8 | 2m 57s
Hear witnesses share how they survived the most explosive event ever recorded on Earth.
Your Brain: Perception Deception Preview
S50 Ep9 | 29s
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
How Your Brain Interprets Color
S50 Ep9 | 2m 24s
A vision scientist breaks down the infamous dress debate.
Your Memories Are Not as True as You Think
S50 Ep9 | 3m 51s
It turns out memories have a very shaky foundation.
Is Pain Made in the Brain?
S50 Ep9 | 3m 40s
This experiment shows how the brain can interpret — and misinterpret— pain.
Is the Human Brain Actually Two Minds?
S50 Ep9 | 5m 17s
Severing the connection between the two halves of the brain reveals how the hemispheres function.
Your Brain: Who’s in Control? Preview
S50 Ep10 | 29s
Dive into the subconscious to see what’s really driving the decisions you make.
How Trauma Can Alter Your Biology
S50 Ep10 | 4m 40s
Your ancestors' experiences might influence how your brain is wired today.
What Happens in the Brain When you Sleepwalk?
S50 Ep10 | 3m 55s
Some people can do complex behaviors like walking and driving while sleeping.
What If Part of Your Brain Was Missing?
S50 Ep10 | 2m 29s
An injury cost Phineas Gage part of his brain, but he lost something else too.
Ancient Earth Series Preview
S50 Ep11 | 1m
Witness the dramatic history of Earth, from its birth to the emergence of humanity.
Ancient Earth May Have Had Red Oceans
S50 Ep11 | 3m 34s
On Ancient Earth, rust deep in the oceans played a critical role in the formation of Earth
Ancient Earth Was a Hellscape
S50 Ep11 | 3m 9s
For millions of years, Earth was a fiery hellscape, inhospitable to life.
How Life Survived When Earth Was Covered in Ice
S50 Ep12 | 3m 6s
Hundreds of millions of years ago, Earth was encased in ice. How did life survive?
Giant Prehistoric Fungi Once Ruled the Earth
S50 Ep13 | 3m 43s
Fossils show that millions of years ago, 20-foot-high fungi grew on Earth.
Ancient Earth: Inferno Preview
S50 Ep14 | 30s
How did life bounce back after a cataclysmic extinction wiped out some 90% of all species?
The Catastrophe That Killed 90% Of Earth’s Species
S50 Ep14 | 1m 34s
An ancient catastrophe killed nearly all life on Earth - and an asteroid wasn’t to blame.
What Caused the Dinosaurs to Go Extinct?
S50 Ep15 | 1m 50s
How did an asteroid impact on one side of the planet cause global devastation?
Inside China’s Tech Boom Preview
S50 Ep16 | 30s
The inside story of China’s meteoric rise to the forefront of global innovation.
How 5G Is Transforming China
S50 Ep16 | 4m 28s
A tech war between China and the West is starting to heat up.
Inside Huawei: China’s Tech Giant
S50 Ep16 | 3m 40s
Working at Huawei can be intense - six day weeks and 12 hour days are the norm.
Why Mosquitos Are Humanity’s Deadliest Creature
S50 Ep17 | 3m 37s
About 80% of deaths caused by Malaria annually are young children, below the age of five.
How Malaria Shaped America
S50 Ep17 | 2m 34s
Today, Malaria is considered a tropical disease, but it wasn’t always that way.
Inside the Fight To Develop a Malaria Vaccine
S50 Ep17 | 4m 18s
These scientists were on the verge of a breakthrough with a promising vaccine nearing approval.
Lee and Liza’s Family Tree Preview
S50 Ep18 | 30s
A family turns to science in their struggle to rediscover a history obscured by slavery.
Can DNA technology Help Rebuild a Family Tree?
S50 Ep18 | 3m 28s
A Black family uses DNA technology to unlock secrets of the past.
Could Antiviral Pills Change the Course of the Pandemic?
8m 12s
The FDA authorized use of the first antiviral pills to treat COVID-19 at home.
From Prison to Careers in STEM
8m 12s
Watch how four accomplished scientists began their careers or education in prison.
Can South Carolina’s Salt Marshes Be Saved?
8m 27s
Many seafood dishes depend on an ecosystem that's easy to overlook: The salt marsh.
Introducing NOVA’s Financial Lab
1m 22s
Practice making financial decisions by taking care of your pet through three mini-games.
What is 5G, and is it Safe to Use on Planes?
5m 39s
The 5G signal works in a fundamentally different way from 4G.
Animal-to-Human Organ Transplants
4m 59s
In a first, a 57-year-old man received a heart transplant from a genetically modified pig.
War Threatens Ukrainian Nuclear Power Plants
7m 9s
Ukraine's 15 active nuclear reactors generate about half of the country's electricity.
This Device Smells Diseases by Imitating a Dog’s Nose
4m 43s
Researchers at MIT create an electronic nose using chemical odor sensors.
The False Promise of Cloning Your Pet
6m 37s
Cloning has come a long way since Dolly the sheep, but it still has limits.
How Seaweed May Help Revive Our Oceans
4m 39s
Kelp’s ability to capture carbon from the ocean could help save marine ecosystems.
The Hidden Cause of Traffic Jams—and How to Solve Them
6m 5s
Self-driving vehicles might be the solution for phantom traffic jams.
Sharks Are Showing Up Earlier—and Staying Longer
4m 18s
Tiger sharks are showing up off the coast of New England earlier. What’s going on?
Watch the DART Spacecraft Smash into an Asteroid
51s
Could we deflect an asteroid barreling toward Earth? DART offers a first test.
How Storm Surges Work—and Why They’re So Deadly
4m 49s
The deadliest part of a hurricane isn’t the wind–it’s water.
Why NASA is Going Back to the Moon
4m 53s
NASA’s Artemis I is a big step toward sending humans back to the moon.
Why Experts Say Permanent Daylight Saving Time is Unhealthy
4m 30s
Early morning sunlight is the key to setting our internal clocks.
Oldest DNA Ever Found Reveals Secrets of the Ancient Arctic
4m 3s
Researchers drilled in the Kap København formation in Greenland to collect soil samples.
This Teen Calculates Mind-Boggling Math in Her Head
3m 10s
Apoorva Panidapu earned the moniker “the human calculator” for her math skills.
Scientists Make Breakthrough in Nuclear Fusion
1m 53s
The advancement could help pave the way for new energy sources.
Arctic Sinkholes Preview
S49 Ep1 | 30s
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
Portable Homes Help Communities Adapt to Climate Change
S49 Ep1 | 4m 18s
See how one Alaskan community is dealing with the effects of rising Arctic temperatures.
What’s Causing Water to Bubble in the Arctic?
S49 Ep1 | 4m 21s
Scientists look for the source of large bubbles in an Arctic lake.
Secrets in the Scat Preview
S49 Ep2 | 30s
Join biologists on an ingenious hunt for the clues hidden in animal poop.
Can Poop Help Protect Rhinos from Poachers?
S49 Ep2 | 3m 3s
To “scatologists,” a pile of fresh scat in the wild is a treasure trove of information.
Great Mammoth Mystery Preview
S49 Ep3 | 28s
Sir David Attenborough explores a site with traces of ancient mammoths and Neanderthals.
How Neanderthals Came to Inhabit Northwest Europe
S49 Ep3 | 2m 45s
Stone tools reveal that four species of human have occupied Britain.
The Mammoth Species You’ve Never Heard Of
S49 Ep3 | 3m
These bones could have belonged to some of the last surviving steppe mammoths in Britain.
Augmented Preview
S49 Ep4 | 31s
An ingenious new technology allows prosthetic legs to move and feel like the real thing.
Increasing Access to Brain-Controlled Prosthetics
S49 Ep4 | 2m 55s
Bionic interventions might allow people to one day design their own limbs.
Climbers Tell Story of Mt. Washington Climbing Accident
S49 Ep4 | 5m 10s
Climbing partners have a harrowing experience on Mount Washington in NH.
The Evolution of Prosthetic Leg Technology
S49 Ep4 | 5m 11s
Amputation procedures haven't changed much since the Civil War era.
Determined: Fighting Alzheimer’s Preview
S49 Ep5 | 28s
Follow three women enrolled in a new study to try to prevent Alzheimer’s.
Depression Can Affect Memory—and Mirror Signs of Alzheimer’s
S49 Ep5 | 1m 57s
Exercise may help depression patients regain memory.
How an Alzheimer’s study reached Black communities
S49 Ep5 | 2m 32s
Getting Black individuals involved in a study requires more than just asking them.
Try Passing this Alzheimer’s Screening Test
S49 Ep5 | 2m 54s
You have 10 seconds to memorize six shapes.
Dinosaur Apocalypse: The New Evidence Preview
S49 Ep6 | 29s
Striking new fossils paint a picture of life right before the asteroid impact.
Inside a Fossilized Pterosaur Egg
S49 Ep6 | 2m 58s
Bones and shells can tell us a lot about how these creatures lived.
Watch Scientists Extract a Rare Turtle Fossil
S49 Ep6 | 3m 4s
The Late Cretaceous period was kind of the heyday of turtles.
Dinosaur Apocalypse: The Last Day
S49 Ep7 | 29s
Scientists use new fossils to reconstruct the day the dinosaurs died.
New Fossil May Reveal Clues to Dinosaurs’ Final Days
S49 Ep7 | 2m 44s
This might be the first time in 66 million years that this leg has seen the light of day.
Why Ships Crash Preview
S49 Ep8 | 29s
How could a single ship cause a major supply chain crisis around the globe?
The Crash That Shut Down the Global Economy, Explained
S49 Ep8 | 3m 31s
The Suez Canal is one of the most important shipping lanes in the world.
Ice Age Footprints Preview
S49 Ep9 | 30s
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
Humans May Have Lived in North America Earlier Than Thought
S49 Ep9 | 4m 16s
Scattered seeds help reveal when ancient humans first left footprints in North America.
Ultimate Space Telescope Preview
S49 Ep10 | 28s
Discover how NASA engineers built and launched the most ambitious telescope of all time.
How Scientists Created JWST’s First Test Image
S49 Ep10 | 4m 50s
A test image from the James Webb Space Telescope unexpectedly captured many galaxies.
NASA Reacts to the James Webb Space Telescope Images
S49 Ep10 | 1m 55s
This NASA team was the first to see the new James Webb Space Telescope images.
Why Distant Galaxies Look Red
S49 Ep10 | 3m 40s
The farther away a galaxy is, the redder it appears to our telescopes.
How Scientists Developed a Drug to Prevent HIV
S49 Ep11 | 3m 5s
The development of PrEP was a breakthrough in HIV prevention.
This Flood Barrier Could Save Venice
S49 Ep12 | 2m 57s
Venice is sinking. Could flood barriers be the answer?
Restoring Notre Dame’s Iconic Stained Glass
S49 Ep13 | 3m
Glass experts uncover the South Rose window’s hidden past.
Saving Notre Dame’s Iconic Stone Vaulting
S49 Ep13 | 2m 53s
Geologists attempt to restore limestone at Notre Dame Cathedral after a fire.
Computers v. Crime Preview
S49 Ep14 | 30s
Is artificial intelligence making policing and courts fairer, or is it increasing bias?
How Police Use Algorithms to Predict Crime
S49 Ep14 | 5m 25s
Police are using artificial intelligence to predict crime.
Can Psychedelics Cure? Preview
S49 Ep15 | 30s
Psychedelics are unlocking new ways to treat conditions like addiction and depression.
Psychedelics as Medicine: The History of Peyote
S49 Ep15 | 4m 2s
Indigenous communities use this small psychedelic cactus as a medicinal herb.
How Psychedelics Change the Brain
S49 Ep15 | 4m 11s
Scientists found that psychedelic drugs may change how brain regions talk to each other.
Ocean Invaders
S49 Ep16 | 28s
Meet one of the ocean’s most beautiful and destructive species: Lionfish.
Divers Hunt Venomous Fish Invading Our Oceans
S49 Ep16 | 3m
Divers help turn the lionfish’s Atlantic invasion into a commercial opportunity.
Cats Might Be One of the Most Invasive Species
S49 Ep16 | 2m 12s
Cats are responsible for hundreds of millions, if not billions of birds being eaten every
Nazca Desert Mystery Preview
S49 Ep17 | 27s
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
Who Carved These Mysterious Lines in the Desert?
S49 Ep17 | 6m 57s
Learn more about the ancient Nazca people and their ancestors, the Paracas.
Artificial Intelligence Reveals Ancient Desert Drawings
S49 Ep17 | 4m 25s
Can AI help archaeologists uncover more Nazca geoglyphs?
Crypto Decoded Preview
S49 Ep18 | 30s
What exactly is crypto, and how does it work? This technology is more than just money.
The History of Crypto Goes Further Back Than You Think
S49 Ep18 | 10m 2s
Computer scientists and digital rebels built the revolutionary crypto system.
How the NFT Was Invented
S49 Ep18 | 3m 30s
An artist and a tech entrepreneur invented the non-fungible token, or NFT, in 24 hours.
Zero to Infinity Preview
S49 Ep19 | 28s
Discover how the concepts of zero and infinity revolutionized mathematics.
The Area of a Circle, Explained with Pizza
S49 Ep19 | 4m 23s
Finding the area of a circle is easy with pizza and infinity.
Thought Experiment: The Infinite Hilbert’s Hotel
S49 Ep19 | 4m 9s
At the Hilbert’s Hotel, there’s always room for one more.
This University Monitors COVID-19 Through Saliva Testing
6m 53s
The University of Illinois is trying to control the spread of COVID-19 by collecting spit.
Lingering Symptoms from COVID-19 are “Unprecedented”
5m 5s
Could an out-of-order immune system be to blame?
New COVID-19 Variants Spread More Easily
7m 15s
Why are the new coronavirus variants making COVID-19 more transmissible?
Dream Hacking: Decisions, Addictions, and Sleep
14m 34s
Watch the first-ever video documenting this live two-way dream communication.
How Mask-Wearing Misinformation Became a Reality
5m 38s
There are various reasons why people believe in misinformation.
The Big Lie about Monarch Butterflies
9m 25s
Join NOVA producer Arlo Pérez as he unlearns a “fact” he was taught as a child.
Origins of Misinformation and How it Spreads
5m 47s
We're vulnerable to sharing misinformation because of the way that we communicate.
Texas’ Power Grid Trouble is Far From Over
8m 23s
Why it means we need to rethink our aging energy infrastructure throughout the U.S.
GameStop, Reddit, and the Rise of Risky Trades
8m 35s
Investing in stock call options is extremely risky.
Mexico’s COVID Cases and Deaths are Underreported—Why?
7m 42s
Learn more about the COVID pandemic in Mexico.
Are You Feeding a Powerful Facial Recognition Algorithm?
6m 55s
This algorithm isn't looking for your face only in the photos you've posted.
The Coronavirus Pandemic’s Toll on Mental Health
6m 6s
We should treat mental health with the same sense of urgency as the COVID pandemic.
Sciencing Out: Making Science Accessible and Engaging
9m 25s
For centuries, women all around the world have educated the public about science.
Sciencing Out: How Trust in Medicine and Science is Built
14m 11s
Trust can be a delicate matter—especially when it’s related to science and medicine.
How to Make Birdwatching More Inclusive
3m 7s
Step One: Start paying attention to the birds in your area.
Sciencing Out: What it Means to Make Information Tangible
14m 22s
There are experts whose job it is to make numbers tangible and help us visualize data.
The Science of Exercise—and Getting Back in the Game
30m 1s
What happens to the bodies and minds of athletes when training is put on hold?
Fact or CAP? How to Deal With Clickbait
7m 7s
Watch out for clickbait that’s designed to spread misinformation.
Can Humans Deflect an Asteroid?
6m 12s
Asteroid impacts on Earth don't happen very often—but they do happen.
Preparing for the Pacific Northwest’s Next Major Earthquake
6m 12s
The Pacific Northwest is due for a major earthquake.
How California’s Droughts Lead to Other Disasters
5m 54s
Wildfires, heat waves, flooding, and water shortages are on the rise.
Using Technology to Cope With Drought
28m
The U.S. is experiencing increasingly worse drought conditions.
How COVID-19 and Climate Change Affect Breathing
4m 13s
COVID insidiously impacts a man's lungs — giving him reasons to appreciate each breath.
What will it take to get out of this pandemic?
28m 19s
COVID-19 infection continues to spread rapidly across most of the world.
How Wildfires and Ozone Led to Terrible Air Quality
6m 5s
Here’s how poor air quality can lead to serious health effects.
NOVA Universe Revealed Series Teaser
1m
Take a ringside seat as NOVA captures moments of high drama when the cosmos changed.
Lights Flashed in the Sky During Mexico’s Latest Earthquake
4m 40s
On September 7, 2021, a magnitude 7.0 earthquake rocked southwest Mexico.
Genetically Modifying Mosquitoes to Reduce their Numbers
5m 42s
Mosquitoes can be annoying, but how far would we go to stop them?
Can this Cuttlefish Pass an Intelligence Test?
9m 51s
Witness a hungry cuttlefish take part in an oddly adorable, psychological test.
How Does a Brain on THC Compare to a Brain on CBD?
4m 30s
Scientists are working to understand the true effects of cannabis on the brain.
Georgia’s First Black-Owned Hemp Farm
3m 32s
The legal definition of hemp is a cannabis plant that has no more than 0.3% of THC.
How Long Does Covid-19 Immunity Last?
8m 43s
How your immune system is primed may impact your long-term immunity.
The Link Between High-Potency Cannabis Use and Psychosis
4m 42s
As cannabis becomes more mainstream, use may come with a mental health risk.
Could a “Dune” Sandworm Exist in Real Life?
7m 7s
There are ecological and evolutionary limits to consider.
Where Did the Cannabis Plant Come From?
4m 10s
What cannabis DNA can reveal about the plant’s evolution.
What will the James Webb Space Telescope do?
5m 44s
This telescope could revolutionize our understanding of the universe.
Meet the Marvelous Christmas Tree Worm
5m 20s
This festive-sounding relative to earthworms might help protect coral reefs.
Why is There a Global Chip Shortage?
5m 15s
The pandemic made computer chip supply chain issues even worse.
Secrets in our DNA Preview
S48 Ep1 | 27s
What can DNA testing companies reveal about our ancestry and health, and at what risk?
Half Sisters Unite Thanks to DNA Testing
S48 Ep1 | 4m 19s
In 2018, June Smith takes a consumer DNA test, hoping to solve a longstanding mystery.
How—and why—DNA Testing Uses Biased Reference Databases
S48 Ep1 | 5m 20s
Are DNA ancestry tests equally accurate for all test takers?
Looking for Life on Mars Preview
S48 Ep2 | 30s
NASA launches its most ambitious search yet for traces of ancient life on Mars.
Why NASA is Back on Mars
S48 Ep2 | 5m 10s
NASA's Perseverance rover and the first-ever space helicopter landed on Mars.
This NASA Scientist Helps Prevent Mars from Contamination
S48 Ep2 | 4m 58s
How do you keep Earth microbes from contaminating Mars?
Feast Your Eyes on the First-Ever Mars 2020 Mission Videos
S48 Ep2 | 4m 31s
Watch amazing high-definition footage of the Perseverance landing.
Picture a Scientist Preview
S48 Ep3 | 29s
Researchers expose longstanding discrimination against women in science.
Why People Struggle to Associate Women with Science Words
S48 Ep3 | 3m 53s
The idea is that we associate two things that have something in common.
The Unique Challenges of Being a Black Woman in STEM
S48 Ep3 | 3m 7s
In academia, women of color suffer different types of abuse from different people.
Visualizing Discrimination and Harassment of Women in STEM
S48 Ep3 | 2m 24s
About half of of women faculty and staff experience sexual harassment.
Reef Rescue Preview
S48 Ep4 | 28s
Scientists race to help corals adapt to warming oceans through assisted evolution.
Scientists Breed a New Generation of “Super Corals”
S48 Ep4 | 4m 45s
Coral reefs are in crisis as ocean heatwaves are draining them of life.
Fighting for Fertility Preview
S48 Ep5 | 28s
Meet people struggling with infertility and the challenges of assisted reproduction.
To Start a Family, This Woman Turned to Egg Freezing
S48 Ep5 | 7m 34s
A woman is born with over a million eggs, but only 10% remain by the time she's 30.
How Weathering Affects Black Women’s Fertility
S48 Ep5 | 4m 54s
Generations of stress impact Black women on their journey to motherhood.
Building a Family as a Transgender Person
S48 Ep5 | 5m 41s
LGBTQ+ couples face many hurdles to biological reproduction.
A Woman’s Journey with Infertility and Adoption
S48 Ep5 | 1m 52s
African American women experience more fertility troubles than any other group.
Hindenburg: The New Evidence Preview
S48 Ep6 | 30s
A revealing new investigation of one of history’s most iconic aviation disasters.
Newly Analyzed Footage Helps Solve Hindenburg Mystery
S48 Ep6 | 6m 45s
A new piece of the Hindenburg puzzle has surfaced.
Great Electric Airplane Race Preview
S48 Ep7 | 29s
Will electric planes replace polluting airliners and lead to flying taxis in our cities?
You Could Take a Flying Car to Work Someday
S48 Ep7 | 5m 23s
Autonomous air taxies are closer to becoming a reality.
High-Risk High-Rise Preview
S48 Ep8 | 30s
Can skyscrapers be made safer, more efficient, and livable in our rapidly growing cities?
When Earthquake Damage is Invisible
S48 Ep8 | 2m 51s
Factors such as inadequate construction materials can make tall buildings vulnerable.
Stopping the Millennium Tower from Sinking Further
S48 Ep8 | 3m 28s
How can skyscrapers be built safely without a foundation on bedrock?
Ship That Changed the World Preview
S48 Ep9 | 29s
As we excavate a 500-year-old wreck, learn the secrets behind history’s great ships.
Mysterious Bones Found in 500-Year-Old Shipwreck
S48 Ep9 | 3m 3s
Sometimes archaeology can reveal things that written sources can't.
Bat Superpowers Preview
S48 Ep10 | 30s
Could the source of the deadliest viruses hold the secret to a healthier and longer life?
Why are Bats Tolerant of the Diseases They Carry?
S48 Ep10 | 2m 34s
Viruses circulate so well within bat colonies — could they hold secrets to better health?
Unique Adaptations may Explain Bats’ Resistance to Viruses
S48 Ep10 | 3m 2s
Bats are really effective at dumping heat to keep their body temperatures fairly normal.
The Cannabis Question Preview
S48 Ep11 | 30s
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
What is the Endocannabinoid System?
S48 Ep11 | 3m 49s
Cannabinoid receptors, named after cannabis, are found in nearly every organ in the body.
A Veteran’s Story of Medical Cannabis Use and Arrest
S48 Ep11 | 5m 34s
For Black people in America, the war on cannabis is still ongoing.
How Some Parents Brought CBD to Market to Treat Epilepsy
S48 Ep11 | 7m 1s
About a third of epilepsy patients don't respond to medication.
How Cannabis Affects Teens’ Brains
S48 Ep11 | 3m 28s
Our natural endocannabinoids reach their highest levels as the brain develops.
Cannabis Reverses Brain Aging in Mice
S48 Ep11 | 3m 51s
Low doses of THC from cannabis can help older mice learn faster, researchers found.
Incarcerated for Cannabis: Who’s Still in Prison and Why?
S48 Ep11 | 3m 54s
Many states have legalized cannabis for medical use, but thousands are still in prison.
CBD Helps Anxiety Patients in a Clinical Trial
S48 Ep11 | 3m 4s
Unlike THC, CBD is not psychoactive and not known to be intoxicating.
Why is Researching Cannabis so Hard?
S48 Ep11 | 3m 39s
Here's how approved research is conducted on cannabis.
Particles Unknown Preview
S48 Ep12 | 30s
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
This Detector Can Catch Cosmic Neutrinos
S48 Ep12 | 3m 20s
Neutrinos could help unlock one of the biggest mysteries in physics today.
Arctic Drift Preview
S48 Ep13 | 30s
Join scientists on a daring polar voyage to uncover the Arctic’s climate secrets.
MOSAiC Scientists Measure Arctic Sea Ice Volume
S48 Ep13 | 3m 5s
Just how much ice is in the Arctic Ocean?
The Arctic Jet Stream Affects Global Climate. Here’s Why.
S48 Ep13 | 3m 3s
The jet stream is a band of wind that influences weather in the northern hemisphere.
Edible Insects Promo
S48 Ep14 | 29s
Take a tasty look at insect foods that could benefit our health and our warming planet.
Insects Make Protein More Efficiently Than Mammals
S48 Ep14 | 5m 14s
Most of the calories insects eat can be converted into nutrients that we can then eat.
Was Eating Insects Key to Human Brain Evolution?
S48 Ep14 | 3m 32s
Insects may have provided humans' ancestors with key nutrients.
NOVA Universe Revealed: Age of Stars Preview
S48 Ep15 | 30s
Voyage to discover the sun’s place in a grand cycle of birth, death and renewal.
How a Star Dies in a Supernova
S48 Ep15 | 2m 48s
The saying "live fast, die young" applies to stars, astrophysicist Grant Tremblay says.
Will the Universe’s Stars Someday Disappear?
S48 Ep15 | 2m 42s
The age of stars is not as enduring as it might seem.
NOVA Universe Revealed: Milky Way Preview
S48 Ep16 | 30s
Explore the wonders and mysteries of our galaxy—the giant city of stars we call home.
The Milky Way and Andromeda Galaxies will Someday Collide
S48 Ep16 | 2m 56s
The Milky Way as we know it today is not eternal.
Gaze at Galaxies with NASA’s Hubble Space Telescope
S48 Ep16 | 2m 44s
The Hubble Space Telescope has revolutionized our understanding of the universe.
NOVA Universe Revealed: Alien Worlds Preview
S48 Ep17 | 30s
Visit exotic worlds orbiting distant suns as NOVA tackles the big question: are we alone?
Yes, There’s Really a Frozen Exoplanet named Hoth
S48 Ep17 | 3m 7s
No one predicted that planets like this were even possible.
In Galaxies Far, Far Away, Some Planets Have Two Stars
S48 Ep17 | 2m 38s
What would life be like in a binary star system?
NOVA Universe Revealed: Black Holes Preview
S48 Ep18 | 30s
Take a seat on the ultimate thrill ride as NOVA explores the universe’s strangest objects.
Sagittarius A*: The Void at the Center of our Galaxy
S48 Ep18 | 1m 54s
Scientists believe a giant black hole sits at the center of our galaxy.
Take a Ride into a Supermassive Black Hole
S48 Ep18 | 2m 41s
Black holes distort the space-time fabric.
NOVA Universe Revealed: Big Bang Preview
S48 Ep19 | 30s
Venture back to the birth of space and time as NOVA probes the mystery of the Big Bang.
Scientists Capture the First Light from the Big Bang
S48 Ep19 | 2m 57s
Scientists now have a detailed image of the entire universe in its infancy.
Was the Big Bang an Explosion or Something Else?
S48 Ep19 | 3m 1s
Energy transformed into matter during the Big Bang.
Butterfly Blueprints Preview
S48 Ep20 | 29s
Explore how the scientific secrets of butterflies are inspiring technological innovations.
How the Morpho Butterfly Gets its Iridescent Color
S48 Ep20 | 2m 22s
How does nature produce a color that looks so unnatural?
How Did This Butterfly Get So Old?
S48 Ep20 | 2m 56s
A special diet could be the secret to its exceptional longevity.
Alaskan Dinosaurs Preview
S48 Ep21 | 29s
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
Fossilized Dung Reveals Clues About Dinosaurs’ Diet
S48 Ep21 | 3m 6s
Where are you going to get protein if you're an herbivore?
Did Some Dinosaurs Breed in the Arctic?
S48 Ep21 | 3m
70 million years ago, several species of dinosaur nested in the Arctic.
What Did Dinosaurs in Alaska Eat During Winter?
S48 Ep21 | 2m 36s
During the winter months, food for the plant eaters would have withered or died.
Ancient Maya Metropolis Preview
S48 Ep22 | 30s
Explore great ancient Maya cities and why their inhabitants abandoned them.
LIDAR Technology Helps Uncover a Maya Metropolis
S48 Ep22 | 3m 9s
Light Detection and Ranging, LIDAR, sees through the jungle to reveal what lies beneath.
These Artifacts and Foods Tie Modern Maya to the Past
S48 Ep22 | 4m 4s
Oral tradition talks about the importance of these foods for Maya.
The Joys and Challenges of Birding While Black
3m 54s
A need for inclusion in outdoor spaces remains, Christian Cooper explains.
Three Solutions That Can Slow or Stop Climate Change
4m 21s
Preventing, “undoing,” and adapting are 3 ways to avoid the worst climate change impacts.
Cutting our Greenhouse Gas Emissions to Zero
4m 52s
Through “prevention,” humans can significantly cut greenhouse gas emissions.
Can Geoengineering “Undo” Climate Change?
4m 41s
There are ways to reverse some of the damage from our carbon dioxide emissions.
How Communities Can Adapt to Climate Change
3m 59s
For many, the concept of “adapting” to climate change feels like admitting defeat.
Losing a Loved One to Early Onset Alzheimer’s
4m 53s
See how Alzheimer's develops and spreads throughout the brain.
How Anosmia Could Affect Doctors’ Coronavirus Screenings
5m 14s
Many people have smell loss with COVID-19.
Christian Cooper’s Bird Yearbook Superlatives
5m 11s
What’s the most underrated bird? Most mysterious? Hear Chris Cooper’s opinion.
The Tech Behind Mail-In Voting
6m 20s
Due to the pandemic, millions are voting by mail in the 2020 presidential election.
The Science of the COVID-19 Treatments Trump Received
6m 37s
In early October 2020, President Trump tested positive for COVID-19.
The Biggest Space News Stories of 2020
5m 27s
Discover three of the greatest space developments of the year and what 2021 may bring.
Polar Extremes Preview
S47 Ep1 | 3m 19s
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
What if Carbon Left Your Tailpipe as Solid Chunks?
S47 Ep1 | 2m 12s
Together, all the cars on Earth would leave quite the pile of carbon behind—every day.
Plant Fossils Hint at Arctic’s Swampy Past
S47 Ep1 | 3m 2s
Learn more about a lush forest that once dominated the Arctic.
Why Trees Are Living Climate Records
S47 Ep1 | 1m 29s
Trees have an environmental record etched into their very wood.
What did the East Coast Look Like 3 Million Years Ago?
S47 Ep1 | 3m 21s
Scientists dig up ancient clams from the ocean 90 miles from the nearest beach.
Fifty Million Years Ago, the Arctic Was a Warm Swamp
S47 Ep1 | 2m 7s
Drop yourself into a modern-day swamp, and that's what the ancient Arctic looked like.
How Carbon Dioxide Warms Planet Earth
S47 Ep1 | 2m 32s
Carbon dioxide acts like a heat-trapping blanket, warming our planet.
A Bird’s-Eye View of Carbon Emissions
S47 Ep1 | 1m 56s
What if carbon dioxide pollution were solid carbon chunks?
What’s Causing Greenland’s Biggest Glacier to Melt?
S47 Ep1 | 2m 4s
Warming ocean water is eating away at Greenland's glaciers from below.
This Alaska Community is Losing Sea Ice to Climate Change
S47 Ep1 | 4m 47s
See how one small town’s survival is threatened by climate change.
How Earth’s Climate Changed Over the Past 500 Million Years
S47 Ep1 | 3m 25s
Learn more about our planet’s Hothouse and Icehouse climates.
This Canadian Cave Has Been Frozen Since the Last Ice Age
S47 Ep1 | 3m 11s
Explore this spectacular, icy cave.
How Climate Has Shifted Over Millions of Years
S47 Ep1 | 2m 44s
Lake mud from the Russian Arctic tells us that Earth's climate has oscillated in the past.
Dog Tales Preview
S47 Ep2 | 26s
Follow the epic journey of dog domestication and see what science says about dogs’ love.
Do Dogs Love Us or do They Just Want Treats?
S47 Ep2 | 3m 59s
It's time to learn the truth once and for all.
Can Bones Reveal How Dogs Evolved from Wolves?
S47 Ep2 | 5m 12s
Learn more about the evolution of our furry companions.
Cat Tales Preview
S47 Ep3 | 28s
Goddess, demon, house pet? What does science say about the human relationship with cats?
Are Cats More Expressive Than We Think?
S47 Ep3 | 2m 51s
Why it’s so hard to tell what your cat is thinking.
Mysteries of Sleep Preview
S47 Ep4 | 27s
Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?
Can Sleep Quality and Quantity be Boosted Using Sound?
S47 Ep4 | 3m 3s
Scientists use sound to improve sleep.
How Sleep Helps Children Learn and Remember New Words
S47 Ep4 | 4m 22s
See how sleep helps children try to learn made-up words.
Cuba’s Cancer Hope Preview
S47 Ep5 | 28s
Can Cuba's innovative lung cancer vaccines give new hope to patients across the world?
An American Cancer Patient Receives Treatment in Cuba
S47 Ep5 | 4m 51s
Cuban lung cancer vaccines offer new hope.
How the Immune System Fights Cancer
S47 Ep5 | 2m 49s
The battle begins as soon as healthy cells mutate into cancer cells.
The Truth About Fat Prologue
S47 Ep6 | 1m 59s
Could it be that body fat has more to do with biological processes than personal choices?
The Truth About Fat Preview
S47 Ep6 | 28s
Could it be that body fat has more to do with biological processes than personal choices?
How Do Sumo Wrestlers Avoid Obesity-Related Diseases?
S47 Ep6 | 2m 51s
It has to do with where the fat is distributed in their bodies.
How the Hormone Leptin Helps Regulate Appetite
S47 Ep6 | 6m 48s
The discovery of leptin transformed our view of fat.
Eagle Power Preview
S47 Ep7 | 28s
Follow eagles from the nest to the skies to see what makes these predators so remarkable.
How Sharp are an Eagle’s Eyes?
S47 Ep7 | 2m 45s
Learn why eagles have the sharpest eyesight of any vertebrate animal.
Saving Notre Dame Preview
S47 Ep8 | 28s
Scientists and engineers fight to save Notre Dame Cathedral after the 2019 fire.
Stabilizing Notre Dame’s Famous Buttresses
S47 Ep8 | 3m 3s
If the vaulting collapses, the weight of the buttresses will push in the 100-foot walls.
Saving Notre Dame’s Stained Glass Masterpieces
S47 Ep8 | 3m 2s
Could the cathedral's beautiful stained glass collection survive the 2019 fire intact?
Repairing Notre Dame’s Vaults with Underground Quarries
S47 Ep8 | 2m 51s
Hidden under Paris is a rich source of limestone, a vast labyrinth of quarry tunnels.
Nature’s Fear Factor Preview
S47 Ep9 | 27s
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
Meet Gorongosa National Park’s Head Veterinarian
S47 Ep9 | 8m 18s
Hear what it’s like to be a vet for wild animals.
The Anatomy of an African Wild Dog Hunt
S47 Ep9 | 6m 50s
Lions and African wild dogs hunt their prey very differently.
Lions Return to Mozambique’s Gorongosa National Park
S47 Ep9 | 6m
Gorongosa National Park was once one of the most species-rich places in Africa.
What We Know and Don’t Know about the Coronavirus
S47 Ep10 | 5m 55s
What is covid-19 and should you be worried?
Can Scientists Use RNA to Create a Coronavirus Vaccine?
S47 Ep10 | 5m 28s
The coronavirus has unleashed global havoc. Learn how scientists are hitting back.
Decoding COVID-19 Preview
S47 Ep10 | 26s
Scientists race to understand and defeat the coronavirus behind the COVID-19 pandemic.
When You Lose a Loved One to Coronavirus
S47 Ep10 | 6m 36s
Hear George’s family recount his tragic story.
How Viruses Like the Novel Coronavirus Evolve
S47 Ep10 | 2m 53s
The virus likely is not a new entity on Earth, but it is new in humans.
How Wuhan is Using Digital Gatekeeping to Reopen
S47 Ep10 | 2m 47s
To reopen the city, Wuhan, China is using digital gatekeeping to contact trace. Here’s how
Why Antibody Tests Don’t Yet Reveal Coronavirus Immunity
S47 Ep10 | 5m 59s
Can an antibody blood test tell if you are immune to COVID-19?
Human Nature Preview
S47 Ep11 | 28s
We can now edit the human genome with a tool called CRISPR. But how far should we go?
Human Nature Sneak Peek
S47 Ep11 | 2m 8s
We can now edit the human genome with a tool called CRISPR. But how far should we go?
CRISPR Gene-Editing Reality Check
S47 Ep11 | 19m 13s
CRISPR gene-editing technology is advancing quickly. What can it do now—and in the future?
Living with Sickle Cell Anemia
S47 Ep11 | 3m 22s
Sickle Cell Anemia is caused by a single change in the DNA sequence.
How CRISPR Works in Nature
S47 Ep11 | 3m 24s
CRISPR is part of bacteria's natural defense against viruses.
The “Holy Grail of Yogurt” is CRISPR
S47 Ep11 | 4m 1s
Five years before anybody was talking about CRISPR, Danisco had a breakthrough.
Secret Mind of Slime Preview
S47 Ep12 | 27s
Meet slime molds: the brainless blobs that can learn, make decisions, and navigate mazes.
Brainless Slime Molds Navigate Mazes and Make Decisions
S47 Ep12 | 2m 46s
Can a slime mold find food placed at the far end of a labyrinth?
The Great Australian Slime Mold Bakeoff
S47 Ep12 | 3m
The purpose of this experiment was to see how Physarum regulates its nutritional needs.
A to Z: The First Alphabet Preview
S47 Ep13 | 27s
The birth of writing and the first alphabet were among the world’s most vital inventions.
Aboriginal Elder Sings Ancient Creation Song
S47 Ep13 | 4m 4s
In the Wardaman Creation Story, all the plants and animals of the world were once people.
How Egyptian Hieroglyphs Influenced Modern Alphabets
S47 Ep13 | 3m 56s
Learn why Egyptian hieroglyphs are hiding in modern alphabets—and how to find them.
A to Z: How Writing Changed the World Promo
S47 Ep14 | 26s
The creation of printing, the first information technology, drove empires and revolutions.
The Printing Press Revolutionized the Spread of Information
S47 Ep14 | 2m 36s
Watch how a printing press works.
How Medieval Parchment is Made
S47 Ep14 | 3m 4s
Learn about the preparation and use of parchment paper in medieval Europe.
Touching the Asteroid Promo
S47 Ep15 | 27s
Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.
Did This Asteroid Just Turn into a Comet?
S47 Ep15 | 4m 24s
Everything in the solar system is dynamic—you can watch it evolve in real time.
Asteroids Provide Hints About the “Ingredients” in Planets
S47 Ep15 | 4m 30s
By studying asteroids, researchers can learn about the formation of planets.
Inside OSIRIS-REx’s Mission to Tag Asteroid Bennu
S47 Ep15 | 4m 38s
Learn more about OSIRIS-REx’s mission to an asteroid 200 million miles away.
Can We Cool the Planet? Promo
S47 Ep16 | 28s
Scientists look to geoengineering and other methods to cool the planet.
How Much Coal Do People Burn Each Year?
S47 Ep16 | 2m 13s
See how much CO2 we add to the atmosphere each year.
What is Solar Geoengineering and Why is it Controversial?
S47 Ep16 | 4m 16s
Solar geoengineering is like drawing a curtain over the face of the Earth.
Meet the NASA Scientist Who Uses Lasers to Study Forests
S47 Ep16 | 4m 5s
This researcher shoots lasers at trees in order to measure how much carbon forests store.
Beyond the Elements: Reactions Preview
S47 Ep17 | 30s
Discover the fascinating chemistry that makes our world and everything in it—including us.
What Gives Hot Peppers Their Heat?
S47 Ep17 | 8m 22s
"Beyond the Elements" host David Pogue explores the science of hot peppers—viscerally.
How Killer Snail Venom Plays a Key Role in Drug Development
S47 Ep17 | 6m 8s
What’s in this snail’s paralyzing venom?
Yes, Molecules Do Make Sounds
S47 Ep17 | 4m 49s
In the atomic world, everything is in motion, vibrating because of thermal energy.
Why Hot Peppers Set Your Mouth on Fire
S47 Ep17 | 4m 2s
The chemical that makes chili peppers so hot evolved to keep animals from eating the plants.
Beyond the Elements: Indestructible Preview
S47 Ep18 | 30s
Discover the fascinating chemistry that makes our world and everything in it—including us.
Plastics: Durable, Diverse, and Indestructible
S47 Ep18 | 7m 52s
Processing can turn the same plastic into very different products.
Beyond the Elements: Life Preview
S47 Ep19 | 30s
Discover the fascinating chemistry that makes our world and everything in it—including us.
Growing Simple Cells with the Help of… Soap?
S47 Ep19 | 7m 11s
To jumpstart evolution, a scientist shows, just add soap.
How Does a Government Shutdown Affect Science?
3m 1s
The government shutdown has brought experiments to a halt and affected other areas.
AI Helps Young Man with Cerebral Palsy Find Independence
4m 46s
Can AI technology help 12-year-old Kaden, who is nonverbal, find his voice?
What Does the Polar Vortex Have to do With Climate Change?
3m 18s
If you think you understand the polar vortex, think again.
Why Kicking a Field Goal is Harder Than it Looks
3m 28s
Kicking a field goal is tough. But why? (Hint: It's physics.)
What is Coral Bleaching?
2m 29s
It changes the dynamic of the entire reefscape, and can be detrimental to corals.
Can Super Corals Save Reefs?
3m 29s
Scientists are trying to help reefs around the world the world by identifying super corals
Did Climate Change Cause Hurricane Harvey?
2m 32s
Climate models can be used to analyze rainfall, heatwaves, and even coral bleaching events
Climate Change Flooding: A Threat to National Security?
4m 1s
Sea level rise and heavy rains pose logistical challenges to Norfolk, Virginia's Navy.
Why Hurricane Florence Caused So Much Flooding
3m 2s
Warming air and sea surface temperatures are making storms wetter and more intense.
The World Wide Web Celebrates its 30th Birthday
2m 39s
Without it, you wouldn't be able to watch this video.
What Went Wrong with the Boeing 737 Max 8?
3m 22s
Experts weigh in on what may have happened to the Ethiopian flight 302.
This AI Can Help Park Rangers Identify Poachers
3m 27s
A system of small cameras can help park rangers identify possible poachers.
Grandfather of Climate Science and “The Big Experiment”
2m
A pioneer of climate science, explains why he wishes he could have lived another 50 years.
Vaping Cost One Teen His Health and Dreams
3m 59s
Nicotine addiction came with high price for one teen, and he’s not alone.
Deepfake Videos Are Getting Terrifyingly Real
3m 36s
Artificially intelligent face swap videos are more sophisticated and accessible than ever.
How the Magnus Force Curves Soccer and Baseballs
3m 26s
Baseball vs. Soccer: Which sport has the best curves?
Fossil Discovery Could Offer Glimpse into Day the Dinos Died
2m 51s
Fossilized fish appear to preserve the fallout of the asteroid that killed the dinosaurs.
This Cute Robot Uses Sophisticated AI to Help Teach Kids
4m 18s
Tega is a robot that uses artificial intelligence to read and respond to kid's emotions.
The 170-Year Search for a Planet Beyond Neptune
2m 29s
There may be a ninth planet at the edge of our solar system — it’s not Pluto and it’s not
The Evidence for Planet Nine’s Existence
3m 3s
Why do some astronomers think there’s a massive planet on the edge of our solar system?
Inside the Search for Planet Nine
3m 14s
The Subaru Telescope at the peak of Hawai`i’s Mauna Kea is on the hunt for Planet Nine.
Six Ways Quantum Computers Could Change the World
3m 50s
See why experts are saying it's the dawn of a new Information Age.
Astronomers Photograph 2 Newborn Planets for the First Time
2m 41s
Researchers photograph two newborn planets for the first time.
Artificial Intelligence is Helping Get the Lead Out of Flint
6m 32s
An algorithm helps find buried lead, but can residents trust it?
Pluto and Beyond Preview
S46 Ep1 | 26s
The New Horizons spacecraft zooms toward an object 4 billion miles from Earth.
New Horizons Makes Historic Flyby on New Year’s Day
S46 Ep1 | 2m 9s
The New Horizons spacecraft made history by conducting the farthest ever flyby.
Days Before Flyby, Ultima Thule Still Mysterious
S46 Ep1 | 1m 45s
NASA's New Horizons spacecraft is about to visit the most distant object ever explored.
Ultima Thule Comes Into Focus as New Images Reveal Secrets
S46 Ep1 | 1m 13s
NASA scientists received the most detailed images from its spacecraft, New Horizons.
Ultima Thule is Surprisingly Flat
S46 Ep1 | 1m 38s
This discovery could have a big effect on how scientists think about planet formation.
Einstein’s Quantum Riddle Preview
S46 Ep2 | 27s
Join scientists as they grab light from across the universe to prove quantum entanglement.
The “Hippy Days” of Quantum Physics
S46 Ep2 | 1m 43s
How a group of free-thinking physicists in the 1970s helped shape quantum physics.
One of the Greatest Meetings of the Minds in History
S46 Ep2 | 2m 28s
These scientists were the pioneers of quantum mechanics.
Kīlauea: Hawaiʻi on Fire Preview
S46 Ep3 | 25s
Scientists journey to Kīlauea volcano to investigate the eruptions that shook Hawaiʻi.
Decoding the Great Pyramid Preview
S46 Ep4 | 28s
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
Rise of the Rockets Preview
S46 Ep5 | 29s
New technologies are promising a new renaissance in space travel.
How Do You Get a Rocket to Land Back on Earth?
S46 Ep5 | 2m 23s
There's a reason why so few rockets are designed to come back to their launch sites.
The Next Pompeii Preview
S46 Ep6 | 29s
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.
Volcanologists Descend into Mt Vesuvius’ Crater
S46 Ep6 | 2m 58s
Gas samples from Mt. Vesuvius can reveal how close magma is to the volcano's surface.
Clues from a Giant Volcanic Eruption Exist Beneath Naples
S46 Ep6 | 2m 59s
Dwelling beneath Naples, is Campi Flegrei—a volcano capable of a very large eruption.
Campi Flegrei: Italy’s Underground Super Volcano
S46 Ep6 | 3m 43s
In Italy hundreds of thousands of people are living directly on top of an active volcano.
Saving the Dead Sea Preview
S46 Ep7 | 28s
Can a daring water engineering project revive the Dead Sea without altering its chemistry?
To Save Water, Women in Jordan Learn to Plumb
S46 Ep7 | 1m 4s
Can women tackle the country's water shortage by learning a new trade?
Scientists Use Drones to Track Dead Sea Sinkholes
S46 Ep7 | 2m 48s
How do sinkholes come to be, and how do researchers study them?
Inside the Megafire Preview
S46 Ep8 | 28s
Scientists investigate the deadly megafires that swept through California in 2018.
As Megafires Have Become More Common, So Have Fire Tornadoes
S46 Ep8 | 2m 32s
What causes flames to start spinning?
Why Fires Move Faster Up a Hill than Down
S46 Ep8 | 2m 33s
U.S.D.A. scientists conduct an experiment to discover why fires move uphill.
Camp Fire Survivor Sees Destroyed Home for the First Time
S46 Ep8 | 1m 54s
A resident returns home and witnesses the Camp Fire's destruction firsthand.
Residents Flee Paradise During the Camp Fire
S46 Ep8 | 1m 34s
As the Camp Fire scorches a community in California, residents leave by car and on foot.
How Did the Camp Fire Start and Spread?
S46 Ep8 | 1m 46s
From the start, California’s deadliest fire had the potential for disaster.
First Horse Warriors Preview
S46 Ep9 | 28s
The advent of horse riding changed the course of human history and our genetic makeup.
Milking a Horse is Harder than You Think
S46 Ep9 | 38s
To milk a horse, one must trick a mother horse—and trick her well.
Lost Viking Army Preview
S46 Ep10 | 28s
Bioarchaeologists investigate a 9th-century mass grave thought to hold a lost Viking army.
Why Did These Vikings’ Bones Appear Older Than They Are?
S46 Ep10 | 2m 18s
Hint: Carbon in the ocean is different than carbon on land.
Who Was This High-Status Viking Warrior?
S46 Ep10 | 1m 55s
DNA evidence reveals surprising truth about the identity of a revered 9th-century Viking.
Back to the Moon Preview
S46 Ep11 | 28s
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
How Did the Moon Come to Be?
S46 Ep11 | 1m 1s
Scientists have several theories for how Earth's Moon formed.
Scientists Launch Rocket into the Moon to Find Water
S46 Ep11 | 4m 35s
Researchers hope to observe lunar material ejected from an impact.
The Planets Series Teaser
S46 Ep12 | 1m
The life of our solar system told in five dramatic stories spanning billions of years.
The Planets Series Trailer
S46 Ep12 | 3m 9s
The life of our solar system told in five dramatic stories spanning billions of years.
The Planets: Inner Worlds Preview
S46 Ep12 | 26s
The rocky planets have similar origins, but only 1 supports life. Was it always this way?
Five Facts About the Planet Closest to Our Sun
S46 Ep12 | 1m 9s
What makes Venus's next door neighbor unique?
Five Facts About Hot, Volcanic Venus
S46 Ep12 | 58s
Our next door neighbor is most like Earth in terms of size and mass.
Inside Look: “The Planets”
S46 Ep12 | 1m 30s
PBS journeys through the solar system to explore NOVA’s “The Planets.”
Behind the Scenes: The Making of “The Planets”
S46 Ep12 | 4m 26s
See the work that went into creating some of the animations in "The Planets."
The Planets: Mars Preview
S46 Ep13 | 28s
Before it was a dry planet, Mars was a wet world that may have hosted life.
Mars, the Red Planet, Was Once Blue
S46 Ep13 | 1m 25s
Mars once had rains, rivers, and in the northern hemisphere, a vast sea.
The Planets: Jupiter Preview
S46 Ep14 | 27s
Jupiter's massive gravitational force has made it a wrecking ball and a protector of Earth
Jupiter, the First Planet to Form in our Solar System
S46 Ep14 | 1m 42s
Jupiter formed long before most other planets around it did.
Five Facts About the Biggest Planet in our Solar System
S46 Ep14 | 1m 21s
Jupiter is more than the biggest planet in our solar system—it's also the oldest.
The Planets: Saturn Preview
S46 Ep15 | 27s
NASA's Cassini reveals the mysteries of Saturn's rings—and new hope for life on a moon.
Five Facts About the Ringed Gas Giant Planet
S46 Ep15 | 1m 9s
Learn more about Saturn, its rings, and moons.
The Cassini Spacecraft’s final moments
S46 Ep15 | 2m 16s
Cassini plunges into Saturn, marking the end of its 13-year mission.
The Planets: Ice Worlds Preview
S46 Ep16 | 27s
Beyond icy worlds of Uranus and Neptune, Pluto dazzles with its mysterious ocean.
Five Facts About the Tilted Planet
S46 Ep16 | 1m 14s
Uranus is more than just the tilted planet in our solar system.
Five Facts About the Farthest Planet in our Solar System
S46 Ep16 | 1m 12s
Getting to know Neptune, the outer-most planet.
Five Facts About the Largest Kuiper Belt Object
S46 Ep16 | 1m 10s
Learn more about Pluto and its moon, Charon.
How Voyager discovered that Neptune is oddly warm and stormy
S46 Ep16 | 1m 58s
Neptune has swirling clouds and strong winds. Can scientists figure out why?
Rise of the Mammals Preview
S46 Ep17 | 26s
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Mammal Fossils Fill in Missing Piece of the Timeline of Life
S46 Ep17 | 3m 35s
This trove of mammal fossils paints a timeline of life after the dinosaurs died.
Paleontologist Makes “Game-Changing” Fossil Discovery
S46 Ep17 | 1m 34s
The Denver Basin preserves a pristine record of ecosystem recovery.
Paleontologists Discover New Mammal Fossils Hidden in Rocks
S46 Ep17 | 5m 44s
Stunning new mammal fossils were hiding in plain sight.
How Fossilized Plants Tell Us About the Evolution of Animals
S46 Ep17 | 1m 34s
Plants can help us understand how life rebounds after a mass extinction.
Why Bridges Collapse Preview
S46 Ep18 | 28s
Can new engineering techniques help prevent deadly bridge collapses?
Survivors Recount Bridge Collapse in Genoa, Italy
S46 Ep18 | 2m 34s
Hear from two survivors of a tragic bridge collapse.
How West Virginia’s Silver Bridge Fell in 1967
S46 Ep18 | 3m 15s
What is a single-point bridge failure?
Look Who’s Driving Preview
S46 Ep19 | 28s
As self-driving cars take to the streets, investigate how they work, and if they are safe.
Three Tasks Driverless Cars Need to Learn
S46 Ep19 | 2m 44s
There’s a lot going on ‘under the hood’ of a self-driving car.
Testing Self-Driving Cars in the Real World
S46 Ep19 | 3m 46s
Driverless cars are being tested in private and public spaces.
Dead Sea Scroll Detectives Preview
S46 Ep20 | 28s
New technologies unravel the Dead Sea Scrolls’ mysteries and uncover million-dollar fakes.
Experts Investigate Dead Sea Scroll Forgeries
S46 Ep20 | 3m 16s
Not all Dead Sea scroll fragments are what they claim to be.
Scientists Use NASA Tech to Decode Damaged Scrolls
S46 Ep20 | 1m 59s
Watch how damaged Dead Sea Scrolls become legible once again.
Decoding da Vinci Preview
S46 Ep21 | 28s
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
How did Leonardo da Vinci Paint the “Mona Lisa”?
S46 Ep21 | 1m 45s
Learn what inspired da Vinci’s "Mona Lisa."
How Leonardo da Vinci Used Anatomy to Inform his Paintings
S46 Ep21 | 4m 59s
Do the Renaissance master’s drawings stand the test of time?
The Violence Paradox Preview
S46 Ep22 | 28s
Is violence actually declining? If so, why? And can we build a more peaceful future?
Are Babies Capable of Making Moral Judgements?
S46 Ep22 | 3m 36s
To test this, a psychologist puts on a two-act puppet show for infants.
Taking Orders to Be Violent Might be Easier Than You Think
S46 Ep22 | 5m 17s
Two researchers at a Polish University recreated the Milgram Shock Experiment.
Animal Espionage Preview
S46 Ep23 | 26s
Camera technology is revolutionizing the study of animals—without them even noticing.
Using Drones to Solve 170-Year Bowhead Whale Mystery
S46 Ep23 | 3m
Scientists use drones to spy on bowhead whales.
This Little Armadillo Was a Big Ambassador for His Species
S46 Ep23 | 3m 51s
Learn about this baby giant armadillo.
Does the Flu Shot Work?
2m 14s
The flu vaccine changes from year to year and its efficacy varies. Here’s why.
Can Tech Save Players’ Brains?
2m 49s
Football is a full-contact sport, but can a high tech mouth guard help save players’ brain
Seeing Quantum with the Naked Eye
3m 55s
Simply squinting at a lamp highlights the quantum nature of light.
What Is Blockchain?
3m 17s
Here's how a blockchain tracks and theoretically secures the movement of digital currency.
What Is Bitcoin?
2m 14s
Bitcoin and other cryoptocurrencies—the future of money or hype? Here's what they are.
Wild Ways to Find a Mate
3m 44s
From necking giraffes to monogamous parasites, creatures couple up in unexpected ways.
What The Physics?! – Q&A
7m 37s
"What The Physics?!" host, Greg Kestin, answers questions from you, our viewers.
The Biggest Puzzle in Physics
4m 41s
Sometimes the biggest puzzle in physics seems like the worst relationship in the universe.
Curling, A Great Physics Mystery
4m 32s
To physicists, curling presents the most puzzling conundrum in the Olympic Games.
Celebrating Black Scientists
56s
In honor of Black History Month, we celebrate these black scientists.
What Is Dark Matter? A New Clue!
3m 38s
A signal from the dawn of the universe may hold surprising clues about dark matter.
The Physics of the Multiverse
4m 12s
A multiverse could explain why our universe is fine-tuned for life.
Saving Snowy Owls from Airplanes
3m 25s
When snowy owls land at Logan Airport, Norman Smith gives the birds a one-way flight out.
Remembering Stephen Hawking
2m 48s
Stephen Hawking had a way of bringing the most cosmic ideas down to Earth.
Why Fart Sounds Are Funny
2m 16s
April Fool's! We weigh in on the serious science behind... whoopee cushions.
The Next Quest for New Worlds
2m 15s
There are worlds beyond our own. A new explorer just left Earth to hunt for them.
Choose Your Own Adventure into a Black Hole
37s
What would it be like to fall into a black hole? Choose your own adventure to find out!
Black Hole Information Paradox
3m 56s
Do black holes delete information forever? Or could information somehow escape them?
Net Neutrality’s End and Science
3m 3s
Depending on your perspective, the repeal of net neutrality could help or hurt science.
Tale of Two Volcanoes
2m 38s
Hawaii’s Kilauea and Guatemala’s Fuego volcanic eruptions have been remarkably destructive
Separation and Children’s Brains
3m 19s
Even brief separations can impair the brain development of a young child or infant.
What the Physics?! is about the physics in you, of you, and around you.
Is Grilled Food Bad for You?
4m 21s
Explore the science of grilling and how it could affect your health.
Liquid Water Found on Mars
2m 18s
Scientists found a large body of liquid water beneath the southern ice caps of Mars.
Remembering John Pilley, the owner and trainer of Chaser the Border Collie.
How to Slow Down Time
3m 48s
In different but similar ways, both your brain and the laws of physics can slow down time.
Hawaii’s Kilauea Volcano Erupts
1m 14s
New fissures are devastating neighborhoods on Hawaii’s Big Island.
Macaque Monkeys Adapt After Hurricane Maria
4m 44s
Researchers investigate whether 1800 macaques may have been changed by Hurricane Maria.
Distributed Energy in Puerto Rico
7m 15s
Puerto Ricans are innovating to find new energy solutions after Hurricane Maria.
What is the Coriolis Effect?
4m 18s
The spinning of the Earth means we don't always see straight paths as straight.
Healing After Hurricane Maria
5m 33s
Antonio Paris translates how to survive on other planets into surviving after Maria.
The Arecibo Observatory
3m 58s
After Hurricane Maria, the Arecibo Observatory staff worked to rebuild its facility.
Modern Politics Activates the Brain’s Ancient Wiring
3m 9s
How does your brain process political ideas?
Winter Is Coming… And So Is Seasonal Depression
3m 4s
As the days shorten, our internal clocks have to recalibrate. But that's hard for some.
Turn to Science for Great Thanksgiving Stuffing
3m 24s
Learn the secret to making delicious stuffing that's not gummy.
Fireproofing Our Future through Better Design
3m 37s
Before a wildfire ever starts, there are ways to make homes and buildings safer.
Jupiter’s Latest Moon Discovery
1m 20s
As if 67 moons weren’t enough, scientists discovered 12 new ones orbiting the planet.
Black Hole Apocalypse Trailer
S45 Ep1 | 3m
Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.
Black Hole Apocalypse Preview
S45 Ep1 | 30s
Take a mind-blowing voyage to the most powerful and mysterious objects in the universe.
Four Types of Black Holes
S45 Ep1 | 2m
Discover the FOUR types of black holes that exist in the cosmos.
Black Hole Hunter: Janna Levin
S45 Ep1 | 4m 15s
As a kid, Janna Levin loved cosmology—now, she’s an award-winning author and host.
Black Hole Hunter: Andrea Ghez
S45 Ep1 | 3m 39s
Andrea Ghez asks: Is there a supermassive black hole at the center of our galaxy?
Black Hole Hunter: Priyamvda Natarajan
S45 Ep1 | 3m 55s
Theoretical astrophysicist Priya Natarajan maps the cosmos.
Black Hole Hunter: Chung-Pei Ma
S45 Ep1 | 4m 22s
Chung-Pei Ma is both a gifted violinist and one of the world’s foremost black hole hunters
Black Hole Star Cake
S45 Ep1 | 5m 10s
NOVA has teamed up with Cook's Illustrated to cook up a recipe for stars and black holes.
What’s Inside a Black Hole?
S45 Ep1 | 3m 36s
Here are three mind-blowing ideas for what may be inside a black hole.
The Impossible Flight Preview
S45 Ep3 | 30s
For the first time, two intrepid pilots fly a solar-powered airplane around the world.
The Impossible Is Possible
S45 Ep3 | 52s
Pilot André Borschberg reflects on his experience achieving what seemed impossible.
Inside A Solar Plane Flight
S45 Ep3 | 57s
Pilot André Borschberg describes how it feels to fly in a plane entirely powered by the su
First Face of America Preview
S45 Ep4 | 30s
Discover remains of a 13,000 year-old teenager in an underwater cave in Mexico.
Searching for a Skull
S45 Ep4 | 3m 30s
Watch as a team of divers attempts to retrieve an ancient skull.
Great Escape at Dunkirk Preview
S45 Ep5 | 30s
How courage and ingenuity saved Allied troops during the epic Dunkirk operation in 1940.
Dunkirk: Hilter’s Secret Weapon
S45 Ep5 | 4m 14s
Churchill launches the largest military evacuation in military history.
Prediction by the Numbers Prologue
S45 Ep6 | 1m 12s
Discover why some predictions succeed and others fail as experts forecast the future.
What is a P-Value?
S45 Ep6 | 4m 12s
Science's most important number has its origins in a British experiment involving tea.
The Wisdom of the Crowds
S45 Ep6 | 3m 38s
Crowds hold a predictive power that can have startling accuracy.
Decoding the Weather Machine Trailer
S45 Ep7 | 1m 49s
Discover how Earth’s intricate climate system is changing.
Decoding the Weather Machine Prologue
S45 Ep7 | 2m 4s
Discover how Earth’s intricate climate system is changing.
Climate Change’s Best Hope
S45 Ep7 | 1m 17s
The one thing Katherine Hayhoe wishes we did about climate change.
Understanding the Climate Clock
S45 Ep7 | 5m 6s
The climate has changed on a schedule for millennia. Have humans broken the climate clock?
Why There’s No Climate Hoax
S45 Ep7 | 1m 20s
Ecologist Stephen Pacala says a climate change conspiracy is impossible.
Faith and Climate Change
S45 Ep7 | 2m 2s
Faith and climate science are not at odds, says evangelical meteorologist Paul Douglas.
Rise of the Superstorms Preview
S45 Ep8 | 28s
Witness the devastation wrought by Hurricanes Harvey, Irma, and Maria in 2017.
Hurricane Harvey Destroys Home
S45 Ep8 | 3m 18s
This Lumberton, Texas resident witnessed the destruction of Hurricane Harvey.
The Town Hurricane Harvey Ruined
S45 Ep8 | 1m 24s
Rosharon, Texas is a reminder of how a hurricane can cripple a community.
Boating in Toxic Floodwater
S45 Ep8 | 2m 32s
Two Texas residents set out on a motorboat to join the Hurricane Harvey rescue effort.
Aftermath of Hurricane Maria
S45 Ep8 | 1m 18s
Hurricane Maria plowed into Puerto Rico and shattered hundreds of thousands of homes.
Transplanting Hope Preview
S45 Ep9 | 26s
Witness organ transplants as they unfold, and meet patients awaiting lifesaving donations.
Journey of a Heart Transplant
S45 Ep9 | 6m 16s
Born with a damaged heart, two-week-old Harlow needs a transplant.
Could Cadaver Organs Save Your Life?
S45 Ep9 | 3m 27s
Custom-built lungs, livers, kidneys and hearts could someday save thousands of lives.
Volcano on Fire Preview
S45 Ep10 | 25s
Climb into the crater of Nyiragongo, a seething and active African volcano.
Volcanic Rock Helps Predict Speed of Future Lava Flow
S45 Ep10 | 1m 33s
If a volcano’s lava is low in silica, the lava will move more quickly during an eruption.
Volcano on the Brink Preview
S45 Ep11 | 25s
Explore Africa’s sleeping giant—Nyamuragira, one of the world’s most dangerous volcanoes.
Addiction Prologue
S45 Ep12 | 1m 54s
Discover how opioid addiction affects the brain and how treatments are saving lives.
Former Opioid User Discusses Withdrawal and Recovery
S45 Ep12 | 2m 30s
Ben Francis became addicted to opioid painkillers in high school after a soccer injury.
The Science of Opioid Addiction and Treatment
S45 Ep12 | 3m 8s
How opioids mimic the body's natural pain relievers and sometimes induce euphoria.
Canada’s Bold Steps to Reduce Opioid Overdoses
S45 Ep12 | 6m 3s
Vancouver, Canada’s supervised injection sites offer people a safer place to use.
Why Addiction Stigma Stops Patients from Seeking Treatment
S45 Ep12 | 1m 57s
Over 20 million Americans struggle with addiction—and social stigma is partially to blame.
How a Teenager’s Opioid Prescription Led to Dependence
S45 Ep12 | 3m 57s
Severe muscle cramps landed this teen in the hospital, where she was prescribed opioids.
Helping Children Born Dependent on Opioids
S45 Ep12 | 3m 44s
A therapy program enables children born with neonatal abstinence syndrome to build skills.
A Coal Miner’s Story of Addiction and Recovery
S45 Ep12 | 3m 36s
After a mining accident, a West Virginia resident began struggling with addiction.
Flying Supersonic Preview
S45 Ep13 | 26s
Discover the feats of engineering that made the Concorde the first supersonic airliner.
Finding a Lost WWII Tuskegee Airman
S45 Ep15 | 4m 28s
Can DNA analysis ID a Tuskegee Airman missing since WWII?
Identifying Lost Crew with Forensics and DNA Analysis
S45 Ep15 | 3m 10s
Can a team of forensic archaeologist identify three WWII airmen that disappeared?
Operation Bridge Rescue Preview
S45 Ep16 | 24s
Follow engineers and woodworkers as they rebuild and transport an iconic American bridge.
Moving a Wooden Covered Bridge
S45 Ep16 | 3m 20s
A team scrambles to move a bridge across a rapidly rising creek.
World’s Fastest Animal Preview
S45 Ep17 | 29s
See the world through the eyes of nature’s fastest animal: the peregrine falcon.
How Peregrine Falcons Thrive in Cities
S45 Ep17 | 2m 56s
This family of peregrine falcons is taking advantage of urban Chicago's resources.
This Drone Mimics Bird Flight
S45 Ep17 | 2m 59s
With an onboard camera, "the prey drone" excels at filming the peregrine falcon.
Apollo’s Daring Mission Sneak Peek
S45 Ep18 | 1m 17s
Apollo astronauts and engineers tell the story of the first manned mission to the moon.
Five Apollo 8 Technological Breakthroughs
S45 Ep18 | 2m 32s
The Apollo 8 spacecraft—and its mission—marked a revolution in spaceflight.
Capturing “Earthrise” from Apollo 8
S45 Ep18 | 1m 45s
Many consider “Earthrise,” to be one of the most important photos of the 20th century.
How NASA’s Apollo 8 Left Earth’s Orbit
S45 Ep18 | 2m 24s
Apollo 8 was the first in the world to head to the moon using trans-lunar injection.
NOVA Wonders Series Preview
S45 Ep101 | 1m 21s
A 6-part series exploring the biggest questions on the frontiers of science.
The Law all Languages Obey
S45 Ep101 | 2m 36s
Animal and human forms of communication may be much closer than we previously thought.
The Secrets of Spider Seduction
S45 Ep101 | 2m 56s
Can scientists stomach hours of spider sex in order to understand their language?
Profile: Erich Jarvis
S45 Ep101 | 5m 37s
Meet Erich Jarvis, a scientist studying vocal-learning in mice and songbirds.
What’s Living in You? Preview
S45 Ep102 | 28s
Discover how a world of microbes living in and on you can make you sick.
Giving Birth to a Botfly
S45 Ep102 | 3m 10s
"I felt an almost father-child relationship with this organism," the entomologist says.
Six Microbes Living in You
S45 Ep102 | 3m 43s
Microbes colonize our skin, guts, and bodies—but we wouldn’t be ourselves without them.
Profile: Jack Gilbert
S45 Ep102 | 6m 37s
Jack Gilbert studies the effects of the microbiome on the human body and mind.
Can Cat Poop Make You Crazy?
S45 Ep102 | 3m 23s
Toxoplasma, a parasite found in cat waste, takes over the brain.
Are We Alone? Preview
S45 Ep103 | 28s
Hunt for clues in the universes to answer one of humanity’s biggest questions.
The Mystery of Tabby’s Star
S45 Ep103 | 3m 18s
Tabby’s star flickers erratically and no one knows why—could it be an alien megastructure?
Can We Use Pollution to Find Aliens?
S45 Ep103 | 2m 16s
The hunt for pollution in other planets’ atmospheres may determine whether we are alone.
Profile: Jason Kalirai
S45 Ep103 | 6m 39s
Astrophysicist Jason Kalirai observes stars and searches for habitable planets.
Can We Build a Brain? Preview
S45 Ep104 | 28s
How does today’s artificial intelligence actually work—and is it truly intelligent?
What is a Neural Net?
S45 Ep104 | 2m 14s
Neural nets have revolutionized the AI industry for years. But what exactly are they?
Profile: Rana el Kaliouby
S45 Ep104 | 4m 46s
Rana el Kaliouby wants to humanize technology with artificial emotional intelligence.
Using Artificial Intelligence to Diagnose Melanoma
S45 Ep104 | 2m 9s
A deep learning system has learned to accurately identify skin cancers in photographs.
Can We Make Life? Preview
S45 Ep105 | 28s
A revolution in gene editing enables scientists to create and edit DNA like never before.
How does CRISPR work?
S45 Ep105 | 1m 36s
CRISPR makes gene editing faster, cheaper, and easier than ever before. Here's how.
Bringing Back Woolly Mammoths
S45 Ep105 | 3m 20s
Mixing mammoth and elephant genes could be the key to saving the Arctic.
Can Gene Therapy Cure Cancer?
S45 Ep105 | 3m 23s
CAR-T Gene Therapy is a new treatment for some forms of Leukemia and Non-Hodgkin Lymphoma.
Profile: Kevin Esvelt
S45 Ep105 | 8m 22s
Kevin Esvelt's on a mission to eradicate Lyme disease on Nantucket and Martha’s Vineyard.
What’s the Universe Made Of? Preview
S45 Ep106 | 28s
Peer into the universe’s deep unknowns to explore the mysteries of dark matter and energy.
How Scientists Discovered Dark Matter
S45 Ep106 | 2m 37s
What kind of clues led to the discovery of Dark Matter and its place in the universe?
How the Universe Will End
S45 Ep106 | 1m 29s
Dark energy is spreading the universe apart—what’s it mean for astronomy in the future?
Physics Is a Never-Ending Puzzle
S45 Ep106 | 1m 8s
Physics rarely yields finite answers, but that doesn’t deter scientists.
Profile: Priya Natarajan
S45 Ep106 | 5m 38s
Astrophysicist Priya Natarajan has loved atlases and maps since she was a little girl.
How Much Does a Thought Weigh?
3m 57s
Even in your mind, energy goes with it—bottle up that energy and it has mass.
How to Prevent Train Crashes
1m 20s
Could a safety technology have prevented a train crash in Washington that killed three?
How Fast Does Santa Fly?
3m 10s
To make their delivery schedule, how quickly must Santa and his reindeer travel the world?
Climate Action Without the Feds?
2m 47s
Can states, cities, and companies fulfill US obligations to the Paris Accord on their own?
What’s Inside the Great Pyramid?
1m 45s
Cosmic particles reveal a previously hidden void in the Great Pyramid of Khufu in Egypt.
Why Do We Like Being Scared?
3m 21s
If a neuroscientist designed a haunted house, would you dare to enter?
New Kind of Astrophysics is Born
2m
Scientists saw and “heard” a dramatic cosmic explosion simultaneously for the first time.
Can Math Detect Gerrymandering?
3m 5s
The Supreme Court is hearing a gerrymandering case. Mathematicians are watching closely.
Why Worry About ICBMs?
2m 59s
What are intercontinental ballistic missiles (ICBMs), and why are they hard to shoot down?
Why Did Houston Flood?
3m 19s
Hurricane Harvey broke continental U.S. records. Here's how cities can be better prepared.
Will Robots Become Conscious?
6m 13s
What makes a brain or machine conscious? This theory is beginning to provide some answers.
What is CRISPR gene editing?
1m 24s
Scientists have a new tool to edit genes in human cells to repair mutations. What is it?
Best Way to Learn to Ride a Bike
2m 16s
Two centuries of bikes, and we’re still debating the best way to learn to ride one.
How to Find an Exoplanet
3m 43s
Want to find another world beyond our solar system? Here are the 5 ways you can do it.
Grow Your Own Crystals
3m 38s
What should you do with the borax you have leftover from making slime? Make crystals!
WannaCry Cyberattack Explained
1m 56s
The WannaCry cyberattack cost the economy billions of dollars. Here's why that's scary.
Meet the Gastric-Brooding Frog
5m 30s
These frogs barfed up their babies—and now scientists are trying to revive them.
Scientists Walking Confidently
1m 6s
NOVA has stood for science since 1974, bringing remarkable discoveries to TV and beyond.
A Scientist Walks Into A Bar #2
3m 33s
A scientist must explain the Big Bang and dark energy so two comedians can understand it.
A Scientist Walks Into A Bar #1
4m 7s
An astrophysicist must explain her work on black holes so two comedians can understand it.
Science is facing what many consider a reproducibility crisis, and the stakes are high.
Search for the Super Battery Preview
S44 Ep3 | 30s
Explore the hidden world of energy storage and how it holds the keys to a greener future.
Our Energy Future, in Toasters
S44 Ep3 | 1m 53s
Every country wants to consume as much energy as the US. Where will that energy come from?
Supercharged Supercapacitors
S44 Ep3 | 3m 35s
A new way of making supercapacitors may help them store more energy than normal batteries.
Ultimate Cruise Ship Preview
S44 Ep4 | 30s
Join pioneering shipbuilders as they embark on a feat of maritime engineering.
Nuestro Mundo de Origami
S44 Ep5 | 1m 54s
La biologia y el mundo físico al nuestro alrededor parecen estar gobernados por origami.
Holocaust Survival Tale: Sam
S44 Ep7 | 8m 20s
During WWII, Nazis forced Samuel Bak and his family out of their home in Vilna, Lithuania.
Holocaust Escape Tunnel Q&A with Historians and Filmmakers
S44 Ep7 | 2m
At ground zero for the final solution, scientists uncover a story of hope and bravery.
Holocaust Escape Tunnel Prologue
S44 Ep7 | 2m 3s
In a forest in Lithuania, a team of scientists searches for traces of a vanished people.
Holocaust Survival Tale: Hana
S44 Ep7 | 7m 51s
Hana Amir describes her father escaping the Holocaust through a tunnel he helped to dig.
Holocaust Survival Tale: Abe
S44 Ep7 | 7m 23s
In Lithuania during WWII, Abe Gol’s father led Jewish prisoners in a tunnel escape.
Holocaust Survival Tale: Esia
S44 Ep7 | 6m 21s
Esia Friedman tells the story of how her family made it through the Holocaust alive.
Holocaust Survival Tale: Haim
S44 Ep7 | 6m 35s
Zalman Matzkin narrowly escaped the Holocaust in Lithuania, managing to build a new life.
Saving Jewish History
S44 Ep7 | 5m 21s
Jewish scholars in Lithuania risked death in WWII to save their literature from the Nazis.
Flint: A Timeline
S44 Ep10 | 1m 56s
Follow the emergency in Flint from the switch in water supply to today’s health crisis.
Scandal’s Joe Morton on Flint
S44 Ep10 | 4m 10s
Actor Joe Morton, narrator of “Poisoned Water,” discusses the Flint water crisis.
What Does Lead Do to the Brain?
S44 Ep10 | 5m 22s
How does lead poisoning damage the brain—and can we stop it?
This Woman Helped Save Flint
S44 Ep10 | 2m 29s
LeeAnne Walters, of Flint, Michigan, helps save the city from a lead water crisis.
Poisoned Water Q&A with Scientists and Filmmakers
S44 Ep10 | 2m
What exactly went wrong in Flint—and what does it mean for the rest of the country?
Eclipse Over America Preview
S44 Ep11 | 30s
The country’s first solar eclipse in 99 years will cast a light on the Sun’s secrets.
Eclipse Over America Trailer
S44 Ep11 | 1m 37s
The country’s first solar eclipse in 99 years will cast a light on the Sun’s secrets.
7 Stellar Facts about Solar Eclipses
S44 Ep11 | 2m 32s
Discover surprising facts about solar eclipses.
How an Eclipse Proved Einstein Right
S44 Ep11 | 1m 58s
The total solar eclipse of 1919 led Albert Einstein down the path toward stardom.
Watch an Eclipse Safely
S44 Ep11 | 3m 19s
With the US eclipse just over a week away, here’s how you can watch it safely.
Death Dive to Saturn Preview
S44 Ep12 | 30s
Follow Cassini's final days as it skims the cloud tops before plunging into the planet.
Amazing Discoveries from Cassini
S44 Ep12 | 2m 11s
Relive Cassini's greatest hits from its 13 years studying Saturn.
Cassini’s Search For Life
S44 Ep12 | 2m 27s
Is there life beyond Earth? The solar system's ocean worlds might be the most promising pl
Saying Goodbye to Cassini
S44 Ep12 | 2m 31s
Cassini, a brave explorer that was dispatched to study a distant ringed world, has died.
Secrets of the Shining Knight Preview
S44 Ep13 | 30s
Discover the world of medieval knights and see how their armor was made.
Ghosts of Stonehenge Preview
S44 Ep14 | 30s
A decade of archaeological research uncovers provocative new clues about Stonehenge.
Secrets of the Forbidden City Preview
S44 Ep15 | 30s
How has China’s magnificent Forbidden City withstood centuries of earthquakes?
Forbidden City Facts
S44 Ep15 | 1m 34s
Discover how Beijing’s Forbidden City, the largest palace complex in the world.
Killer Volcanoes Preview
S44 Ep16 | 30s
Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.
Ancient Volcanic Activity in Ice
S44 Ep16 | 1m 49s
Researchers try to prove the existence of a 13th century volcanic eruption using ice.
Killer Hurricanes Preview
S44 Ep17 | 30s
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.
What Makes a Hurricane?
S44 Ep17 | 1m 20s
Hurricanes bring wind, rain, and destruction—but how do they form?
Killer Floods Preview
S44 Ep18 | 30s
Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.
First Time Britain Left Europe
S44 Ep18 | 3m 15s
Geologists think these iconic chalk cliffs hold an extraordinary secret.
Extreme Animal Weapons Preview
S44 Ep19 | 30s
NOVA uncovers the secrets of nature’s battleground—claws, horns, fangs and all.
Darwin’s Beetles Spar Off
S44 Ep19 | 1m 55s
Beetles make up the largest group of insects on Earth. Why do so few have massive pincers?
Why Fiddler Crabs Have Giant Claws
S44 Ep19 | 3m 32s
Fiddler crabs' large claws look intimidating, but is deadly combat their main purpose?
Bird Brain Preview
S44 Ep20 | 30s
Watch as birds solve puzzles and challenge our basic notions of intelligence.
Do Birds Remember Faces?
S44 Ep20 | 1m 49s
Crows can remember the face of their captors—even after generations.
Day the Dinosaurs Died Preview
S44 Ep21 | 30s
Experts drill into the impact crater of an asteroid that created a worldwide cataclysm.
The Physics Behind Texting
3m 37s
When you send a text, how does your message make the journey to your friend’s phone?
Quantum Physics to Protect Votes
5m 23s
You can make your vote incredibly secure on Election Day—all thanks to quantum mechanics.
Why Bats Share Blood
1m 54s
Vampire bats will sometimes share a blood meal—but only with friends and family.
The Minerals Behind Modern Life
S43 Ep2 | 2m 4s
Minerals are essential in making everything from skyscrapers tall, to mobile phones small.
9 Minerals That Totally Rock
S43 Ep2 | 2m 18s
From sea creatures to cityscapes, minerals are everywhere!
A Cathedral of Ice
S43 Ep3 | 2m 45s
A scientist dives beneath the surface of the frigid Antarctic ice sheet.
Inside the Mind of Alzheimer’s
S43 Ep8 | 4m 23s
Journalist Greg O'Brien gives a first-hand account of what it's like have Alzheimer's.
Predicting Alzheimer’s
S43 Ep8 | 2m 38s
Certain gene forms increase your risk of developing Alzheimer's.
The Hidden Fluorescent World
S43 Ep9 | 3m 19s
The proteins that make fish fluoresce could help scientists map the human brain.
School of the Future – Spanish Version
S43 Ep15 | 1h 53m 25s
How can the science of learning help us rethink the future of education for all children?
Customizing Education
S43 Ep15 | 4m 6s
Alt School is an experiment in customized learning environments.
Can Meditation Prevent Suicide?
S43 Ep15 | 3m 6s
A high school experienced several suicides so meditation was used to lower student stress.
Why Diamond Light is Beautiful
S43 Ep18 | 2m 46s
Much of a diamond's brilliance and fire comes down to physics.
Making Steel From Trash
S43 Ep19 | 2m 34s
Could pieces of plastic garbage become the resource we need to construct buildings?
Harvesting Electricity from Sand
S43 Ep20 | 2m 36s
When it comes to generating power, shining light on silicon opens up many possibilities.
Ghosts of Subatomic Particles
1m 42s
The universe’s smallest particles fly down from space and emit from a radioactive rod.
Space Pics That Amaze Scientists
2m 52s
We asked scientists, “What are your favorite images from space?” Here’s what they said.
Sea Level Rise: When 1 in = 2 ft
2m 42s
Sea levels will rise by the same amount all over the world, right? Wrong. Here’s why.
Hagia Sophia: Istanbul’s Mystery Preview
S42 Ep4 | 30s
How has this unique structure, built on a seismic fault, survived centuries of quakes?
Petra: Lost City of Stone Preview
S42 Ep5 | 30s
How did early engineers carve tombs into rock cliffs and funnel water to this desert city?
Colosseum: Roman Death Trap Preview
S42 Ep6 | 30s
1500 years ago, how did the Romans engineer bloody spectacles and reenact sea battles?
Are We Ready for a Cyber Attack?
S42 Ep17 | 4m
Cyber threats from nation states and lone hackers are a persistent threat to America’s cri
Time Travel in the Grand Canyon
S42 Ep20 | 4m 33s
What does this geological wonder reveal about North America’s deep history?
These Boulders are Alive
S42 Ep21 | 2m 48s
Dive down to rare stromatolites—key clues to the evolution of virtually all complex life.
North American Gold
S42 Ep22 | 2m 28s
When the Earth formed, most of the gold sunk to its core—but some remained trapped inside
Einstein’s Thought Experiment
S42 Ep23 | 1m 49s
Your perception of time depends on how you are moving.
Gravity’s Effect on Spacetime
S42 Ep23 | 1m 48s
Einstein's theory showed that time itself is affected by gravity.
Zombies and Calculus
4m 38s
The zombie apocalypse is here, and calculus explains why we can’t quite finish them off.
A "cosmic fingerprint" reveals the universe’s beginning and gravity's microscopic secrets.
Poop-Eating Sloth Moths
2m 57s
Sloths may be cute, but they’re covered in a surprising number of creepy crawlies.
The Pattern in Nature’s Networks
3m 25s
Science shows it’s a small world after all—and nature’s networks follow a similar pattern.
Two Weeks Under the Sea
4m 33s
Aquanauts study the health of marine organisms—by becoming their neighbors.
Alien Planets Revealed Preview
S41 Ep1 | 30s
Are we alone—and if not, what might the inhabitants of far-flung worlds look like?
Zeppelin Terror Attack Preview
S41 Ep2 | 30s
Discover how Germany’s Zeppelins rained fiery terror on London in World War I.
Flying Cow Intestines
S41 Ep2 | 5m 23s
In World War I, the Germans used cow guts to construct their deadly Zeppelins.
Ghosts of Murdered Kings Preview
S41 Ep3 | 30s
Bronze age bog bodies reveal the strange beliefs of the long-vanished peoples of Europe.
Nature’s Time Capsules
S41 Ep3 | 2m 7s
By studying bogs, scientists can uncover thousands of years of Earth’s history.
Roman Catacomb Mystery Preview
S41 Ep4 | 30s
Who or what killed hundreds of people hidden in a burial chamber nearly 2,000 years ago?
Autopsying a Roman Catacomb
S41 Ep4 | 5m 1s
Did a lethal plague kill thousands in ancient Rome? Centuries-old DNA may hold the answer.
Great Cathedral Mystery Preview
S41 Ep5 | 30s
Master craftsmen explore how Florence’s monumental dome was built nearly 600 years ago.
Sculpting a Young Artist
S41 Ep5 | 4m 5s
A city-wide competition shaped the career of the architect behind Florence’s famous dome.
Killer Typhoon Preview
S41 Ep6 | 45s
What made Haiyan so destructive, and how can we prepare for the next monster storm?
Wild Predator Invasion Preview
S41 Ep7 | 52s
Can we return apex predators to their natural environments without endangering humans?
Animal Minds: Birds Preview
S41 Ep8 | 30s
Birds that craft tools and pick locks are rewriting the rules of animal intelligence.
Animal Minds: Dogs Preview
S41 Ep9 | 30s
How do dogs, sharks, dolphins, or birds experience the world?
The Mysteries of Optic Flow
S41 Ep9 | 2m 58s
Birds use a trick of the eye called “optic flow” to zip through forests without colliding.
Five Dogs With Crazy Résumés
S41 Ep9 | 2m 58s
Learn about the traits we most prize in dogs, and the bizarre jobs they were bred for.
Animal Minds: Smartest Preview
S41 Ep10 | 30s
Explore the social lives of some of the smartest animals on the planet.
Why Sharks Attack Preview
S41 Ep11 | 30s
Will analyzing the hunting instincts of this endangered predator reduce deadly attacks?
Escape from Nazi Alcatraz Preview
S41 Ep12 | 30s
A crack team rebuilds a glider that POWs hoped to catapult off the top of Colditz Castle.
A Clever Colditz Escape
S41 Ep12 | 2m 55s
A chance discover during a game of rugby led Dutch POWs to an ingenious WWII jailbreak.
Reconstructing the D-Day Gliders
S41 Ep13 | 3m 52s
The Allies used silent wooden gliders to get behind enemy lines before the D-Day landings.
Vaccines—Calling the Shots Preview
S41 Ep14 | 30s
Examine the science behind vaccinations and the risks of opting out.
Vaccines—Calling the Shots Short Preview
S41 Ep14 | 20s
Examine the science behind vaccinations and the risks of opting out.
Brushes with Death
S41 Ep14 | 2m 27s
Dorothy Roseman describes her close encounters with vaccine-preventable diseases.
Tiny Tattoo Vaccines
S41 Ep14 | 5m 52s
New miniature vaccines may be administered like painless tattoos.
Fighting HPV in Bhutan
S41 Ep14 | 6m 19s
Bhutan is the first developing country to embrace a vaccine to fight cervical cancer.
Stabilizing Vaccines with Silk
S41 Ep14 | 3m 57s
New technology may bypass the need to keep vaccines cold by stabilizing them with silk.
A History of Vaccination
S41 Ep14 | 4m 48s
Vaccination began as a traditional therapy over a thousand years ago.
Immunity and Vaccines Explained
S41 Ep14 | 2m 11s
Vaccines work with our immune system to keep us from getting sick.
U.S. Polio Vaccines: Then and Now
S41 Ep14 | 13m 47s
The polio vaccine's history extends more than fifty years.
Rise of the Hackers Preview
S41 Ep15 | 30s
A new global geek squad is harnessing cryptography to stay a step ahead of cybercriminals.
Why Planes Vanish Preview
S41 Ep16 | 1m 16s
Can new technology prevent aircraft like Flight MH370 from disappearing without a trace?
Ben Franklin’s Balloons Preview
S41 Ep17 | 30s
Experts recreate the French’s daring first manned flights, which Franklin had chronicled.
First Air War Preview
S41 Ep18 | 30s
How did fighter planes evolve from rickety biplanes to deadly machines during WWI?
Bigger Than T. rex Preview
S41 Ep19 | 30s
Meet Spinosaurus—the lost killer of the Cretaceous and the world’s larger predator ever.
Emperor’s Ghost Army Preview
S41 Ep20 | 30s
Explore the buried clay warriors, chariots, and bronze weapons of China’s first emperor.
Killer Landslides Preview
S41 Ep21 | 30s
Explore the forces behind deadly landslides—and the danger zones for the next big one.
Surviving Ebola Preview
S41 Ep23 | 30s
As the epidemic threatens to spiral out of control, scientists race to find a cure.
Doomsday Volcanoes – Preview
S40 Ep1 | 30s
Could the explosion of Iceland's ticking time bombs cause cold and famine worldwide?
A Volcanic Labyrinth
S40 Ep1 | 2m 59s
See the only place on the Earth where scientists can study a volcano from the inside.
Decoding Neanderthals Preview
S40 Ep2 | 30s
Shared DNA reveals a deep connection with our long-vanished human cousins.
Scanning the Dead
S40 Ep2 | 2m 10s
Virtual autopsies give coroners incredibly detailed and telling images of victims’ bodies.
Neanderthal Superglue
S40 Ep2 | 2m 58s
This “superglue” suggests Neanderthals weren’t as primitive as once thought.
A Neanderthal Burial
S40 Ep2 | 2m 16s
Scientists think a posed body alongside a panther paw are evidence of Neanderthal rites.
Rise of the Drones Preview
S40 Ep3 | 30s
Meet a new breed of flying robots, from tiny swarming vehicles to giant unmanned planes.
What Drones Can See
S40 Ep3 | 2m 52s
An engineer describes the next-generation surveillance sensor for UAVs, called ARGUS.
A Next-Generation Drone
S40 Ep3 | 48s
The X-47B prototype can land on a flight deck without input from a pilot.
Swarming Drones
S40 Ep3 | 2m 52s
A University of Pennsylvania lab is developing tiny drones that sense their environment.
Independent UAVs
S40 Ep3 | 30s
A DARPA researcher describes what would constitute a breakthrough in UAV autonomy.
Who Killed Lindbergh’s Baby? Preview
S40 Ep4 | 30s
Airs Wednesday, July 31, 2013 at 9:00 p.m. ET/PT. Check your local listings.
Scripting the Truth
S40 Ep4 | 1m 57s
Handwriting analysis technology helps scientists figure out who killed Lindbergh's baby.
Building Pharaoh’s Chariot Preview
S40 Ep5 | 30s
A team uncovers the advanced engineering behind an ancient Egyptian war machine.
Chariot Weapons
S40 Ep5 | 4m 49s
A military historian demonstrates how the ancient Egyptians fought from their chariots.
Earth from Space Preview
S40 Ep6 | 50s
Detailed satellite images reveal the web of connections that sustain life on Earth.
The Volga Trade Route
S40 Ep6 | 2m 58s
The Vikings may have trekked all the way to Iran in search of crucible steel.
When Hurricane Sandy Went Rogue
S40 Ep6 | 2m 6s
What started out as a tropical storm evolved into one of New York City’s worst nightmares.
The Looming Satellite Gap
S40 Ep6 | 1m 51s
Many Earth-observing satellites are nearing the end of their lives.
Ancient Computer Preview
S40 Ep7 | 29s
Learn about the world’s first computer, which was found in a Greek shipwreck.
Ancient Computer Sneak Peek
S40 Ep7 | 4m 38s
An ancient Greek computer could predict eclipses with impressive accuracy.
Mind of a Rampage Killer Preview
S40 Ep8 | 30s
Can science help us understand why some people commit horrific acts of mass murder?
Australia: Awakening Preview
S40 Ep9 | 30s
Australia’s landscape holds clues to Earth's early history and the beginning of life.
Australia: Life Explodes Preview
S40 Ep10 | 30s
Fossils reveal how life’s explosion in the ocean was recreated on dry land.
Australia: Monsters Preview
S40 Ep11 | 30s
Some 250 million years ago, some of the largest, most dangerous reptiles ruled this land.
Australia: Strange Creatures Preview
S40 Ep12 | 30s
After a massive extinction, diverse marsupials came to dominate this isolated continent.
Meteor Strike Preview
S40 Ep13 | 2m 26s
A meteor burst into a fireball over Siberia. Can we spot the next deadly asteroid in time?
Manhunt—Boston Bombers Preview
S40 Ep14 | 30s
Follow the manhunt, step-by-step, for the suspects in the Boston Marathon bombings.
Bomb Squad Robots
S40 Ep14 | 2m 39s
Remote controlled robots keep police department technicians safe from potential bombs.
Oklahoma’s Deadliest Tornadoes Preview
S40 Ep15 | 30s
Hear stories from survivors of Moore’s tornado and meet scientists who stalk these storms.
Ground Zero Supertower Preview
S40 Ep16 | 30s
Engineers race to complete 1 World Trade Center as they grapple with the final challenges.
Floating Buildings
S40 Ep17 | 1m 37s
Engineers in the Netherlands propose building homes that float on water.
Reimagining New York
S40 Ep17 | 4m 35s
A risk management expert says that we must look to New York’s future to prevent flooding.
Repairing the Beach After Sandy
S40 Ep17 | 2m 55s
To rebuild the coastline, engineers are pumping sand onto New York’s Coney Island beach.
Judo with Nature
S40 Ep17 | 2m 18s
Planting trees in front of dikes is one way to keep large waves from flooding the shore.
Making More Stuff Preview
S40 Ep18 | 1m 12s
Host David Pogue explores the cutting-edge research behind a new wave of innovation.
Making Stuff Faster Preview
S40 Ep18 | 30s
Host David Pogue tries to find out if there are physical limits to how fast we can go.
Super Fast Cameras
S40 Ep18 | 5m 11s
A new high speed camera can capture light in motion and see around corners.
Making Stuff Wilder Preview
S40 Ep19 | 30s
Host David Pogue travels the globe to explore new technologies inspired by Nature.
Mushroom Material
S40 Ep19 | 3m 45s
Move over peanuts, there’s a new packaging material in town—and it’s made of mushrooms.
The Hummingbird Drone
S40 Ep19 | 3m 36s
A new drone doesn't fly like an airplane or helicopter—it flaps its wings like a bird.
Making Stuff Colder Preview
S40 Ep20 | 30s
Host David Pogue asks if cold holds the key to technology that can improve our lives.
Cryonics
S40 Ep20 | 4m 40s
A company called Alcor freezes dead people, hoping to restore them to health one day.
Making Stuff Safer Preview
S40 Ep21 | 30s
Host David Pogue examines groundbreaking research that aims to keep us out of harm’s way.
Cyber War Games
S40 Ep21 | 3m 50s
A project called DETER allows researchers to practice fighting cyber crimes.
Cold Case JFK Preview
S40 Ep22 | 30s
Can modern forensic science uncover fresh clues about the assassination of JFK?
The Shot That Missed
S40 Ep22 | 3m 38s
What happened to the mysterious "first bullet" from JFK's assassination?
At the Edge of Space Preview
S40 Ep23 | 30s
Can scientists unravel the mysterious phenomena that lurk between Earth and space?
Asteroid: Doomsday or Payday? Preview
S40 Ep24 | 30s
Will future asteroids trigger massive extinctions—or be mined for precious minerals?
Bombing Hitler’s Dams Preview
S39 Ep2 | 30s
Experts recreate the bold feat of "dambuster" pilots who used bouncing bombs.
3D Spies of WWII Preview
S39 Ep3 | 30s
NOVA reveals how the Allies used special aerial photos to deal a dire blow to the Nazi.
Mystery of a Masterpiece Preview
S39 Ep4 | 30s
Art experts investigate if a portrait sold in 1998 is actually a lost Leonardo painting.
Ice Age Death Trap Preview
S39 Ep5 | 30s
Scientists race to uncover a site in the Rockies packed with fossil mammoths.
Elemental Bloopers
S39 Ep6 | 2m 46s
Watch David Pogue's hilarious out-takes from NOVA's "Hunting the Elements."
Kryptonite for Sharks
S39 Ep6 | 6m 48s
Marine biologist Patrick Rice is using rare earth elements to repel sharks.
Secrets of the Sun Preview
S39 Ep7 | 30s
Scientists are striving to better grasp our star and its destructive solar storms.
Solar Wind and Storms
S39 Ep7 | 2m 47s
NOVA Labs: Bursts of plasma released by the Sun create "space weather" around our planet.
The Electromagnetic Spectrum
S39 Ep7 | 2m 55s
NOVA Labs: Most of what we know about solar science comes from reading the Sun's light.
The Sun’s Energy
S39 Ep7 | 2m 6s
NOVA Labs: What are the processes that produce the Sun's light and heat?
Solar Space Telescopes
S39 Ep7 | 3m 50s
NOVA Labs: New solar telescopes are allowing us to see the Sun like never before.
The Threat to Earth
S39 Ep7 | 2m 32s
NOVA Labs: What would happen if a solar storm overwhelmed Earth's natural defenses?
Introducing NOVA’s Sun Lab
S39 Ep7 | 2m 13s
Learn about solar storms and do your own research using images from NASA telescopes.
How Can I Study the Sun?
S39 Ep7 | 3m 17s
NOVA Labs: Learn how to use the Helioviewer, a tool at the heart of NOVA's Sun Lab.
Separating Twins Preview
S39 Ep8 | 30s
Follow the amazing story of Trishna and Krishna, girls born joined at the head.
Extract Your Own DNA
S39 Ep9 | 2m 45s
Behold your very own DNA in this do-it-yourself science experiment.
Secrets of the Viking Sword Preview
S39 Ep13 | 30s
Airs Wednesday, September 25, 2013 at 9:00 p.m. ET/PT. Check your local listings.
Mystery of Easter Island Preview
S39 Ep14 | 30s
A team of scientists and volunteers test a theory on how these ancient statues were moved.
Ultimate Mars Challenge Preview
S39 Ep15 | 30s
Airs Wednesday, December 11, 2013 at 9:00 p.m. ET/PT. Check your local listings.
Space Kids
S39 Ep15 | 1m 34s
Engineers who landed the Curiosity rover on Mars recall their early love of space.
Parachute Problems
S39 Ep15 | 2m 54s
NASA untangles why a parachute failed during tests prior to the Curiosity landing.
Inside the Megastorm Preview
S39 Ep16 | 30s
Explore what made Megastorm Sandy so much more devastating than other hurricanes.
Higgs Boson Revealed
3m 53s
Go behind the scenes at CERN to learn more about the historic July 4 announcement.
Deadliest Earthquakes Preview
S38 Ep1 | 30s
Big quakes are inevitable, but can we lessen their devastation?
Making Stuff: Stronger Preview
S38 Ep2 | 30s
Airs Wednesday, August 21, 2013 at 9:00 p.m. ET/PT. Check your local listings.
Making Stuff: Smaller Preview
S38 Ep3 | 30s
Airs Wednesday, August 21, 2013 at 10:00 p.m. ET/PT. Check your local listings.
Making Stuff: Cleaner Preview
S38 Ep4 | 30s
Airs Wednesday, August 28, 2013 at 9:00 p.m. ET/PT. Check your local listings.
Making Stuff: Smarter Preview
S38 Ep5 | 30s
Airs Wednesday, August 28, 2013 at 10:00 p.m. ET/PT. Check your local listings.
Crash of Flight 447 – Preview
S38 Ep7 | 30s
Airs Wednesday, June 13, 2012 at 9:00 p.m. ET/PT. Check your local listings.
Power Surge: Preview
S38 Ep9 | 36s
Are we finally on the brink of a clean energy revolution? Airs April 20, 2011 on PBS
Japan’s Killer Quake – Preview
S38 Ep10 | 30s
An eyewitness account and investigation of the earthquake, tsunami, and nuclear crisis.
Finding Life Beyond Earth Preview
S38 Ep13 | 30s
Scientists are on the verge of answering one of the greatest questions: Are we alone?
The Mars Rover, “Curiosity”
S38 Ep13 | 4m 25s
NASA is sending a robotic rover called "Curiosity" to find out if there is life on Mars.
An Interview with Sally Ride
S38 Ep13 | 15m 46s
Watch an uncut interview with the late astronaut, conducted at NASA in 1984.
Early Earth Bombarded By Comets
S38 Ep13 | 5m 10s
Comets carrying chemicals necessary for life may have come to Earth billions of years ago.
Hunting Planets
S38 Ep13 | 4m 40s
NASA’s Kepler mission lets us search for planets orbiting stars outside our solar system.
Is There Life on Enceladus?
S38 Ep13 | 6m 14s
Scientists discover evidence for the key ingredients for life on Saturn's moon Enceladus.
Iceman Murder Mystery Preview
S38 Ep15 | 30s
A new forensic investigation of a 5,000-year-old mummy reconstructs his death.
Brian Greene Previews NOVA’s “The Fabric of the Cosmos”
S38 Ep16 | 2m 10s
Physicist Brian Greene discusses his return to NOVA with "The Fabric of the Cosmos."
The Fabric of the Cosmos Preview
S38 Ep16 | 3m 8s
Brian Greene reveals a mind-boggling reality beneath the surface of our everyday world.
The Fabric of the Cosmos: What Is Space? Preview
S38 Ep16 | 30s
Surprising clues indicate that space is very much something and not nothing.
The Fabric of the Cosmos: The Illusion of Time Preview
S38 Ep17 | 30s
It defines our lives, but what is time really? Have a look into its true nature.
The Fabric of the Cosmos: Quantum Leap Preview
S38 Ep18 | 30s
Take a wild ride into the quantum realm, where even the impossible seems possible.
The Fabric of the Cosmos: Universe or Multiverse? Preview
S38 Ep19 | 30s
Is our universe unique, or could it be just one in an endless "multiverse"?
Ghosts of Machu Picchu Preview
S37 Ep4 | 1m 56s
Airs Wednesday, September 3, 2014 at 9:00 p.m. ET/PT. Check your local listings.
Extreme Cave Diving | Preview
S37 Ep5 | 1m 25s
Watch Wednesday, Dec. 2, 2015. Check your local listings.
Hunting the Edge of Space: Mystery of the Milky Way Preview
S37 Ep8 | 30s
Airs Wednesday, November 28, 2012 at 9:00 p.m. ET/PT. Check your local listings.
Hunting the Edge of Space, Part 2 – Pre
S37 Ep9 | 30s
Airs Wednesday, December 5, 2012 at 9:00 p.m. ET/PT. Check your local listings
Building the Great Cathedrals Preview
S37 Ep11 | 30s
Airs Wednesday, December 25, 2013 at 9:00 p.m. ET/PT. Check your local listings.
Emergency Mine Rescue Preview
S37 Ep12 | 30s
Engineers and NASA scientists aid an all-out effort to save 33 Chilean miners trapped.
Taking the Heat
S37 Ep17 | 3m 27s
David Pogue visits DuPont to get a closer look at fireproof clothing.
What Are Dreams – Preview
S36 Ep12 | 30s
Airs Wednesday, August 22, 2012 at 9:00 p.m. ET/PT. Check your local listings.
Can the Bonobo Get the Apple?
S35 Ep7 | 55s
Primatologist Brian Hare sees whether a bonobo can solve a puzzle to get a slice of apple.
Can the Chimp Get the Grape?
S35 Ep7 | 1m 43s
A researcher tests the cognitive skills of a chimpanzee with a seemingly simple task.
Bathing with the “Car Talk” Guys
S35 Ep9 | 1m 23s
Tom and Ray test the waters of Iceland's Blue Lagoon while filming "Car of the Future."
Space Shuttle Disaster – Preview
S35 Ep12 | 30s
Airs Thursday, January 31, 2013 at 10:00 p.m. ET/PT. Check your local listings.
Martian Weather
S35 Ep15 | 4m 34s
Is the weather on Mars anything like the weather on Earth? Find out in this video.
Put A Lid on It
S35 Ep19 | 2m 26s
Bill Nye, TV's "Science Guy," conducts a pasta-making experiment that can save energy.
How Percy Julian Became a Great 20th Century Scientist
S34 Ep3 | 5m 29s
It took Black chemist Percy Julian more than 10 years to earn his Ph.D.
Mystery of the Megavolcano – Preview
30s
Airs Wednesday, December 14, 2011 at 10:00 p.m. ET/PT. Check your local listings.
Hunt for the Supertwister – Preview
S31 Ep7 | 30s
Airs Wednesday, May 9, 2012 at 10:00 p.m. ET/PT. Check your local listings.
Origins: Earth Is Born Preview
S31 Ep11 | 30s
Journey back to the beginning of everything: the universe, Earth, and life itself.
Einstein Thought Experiments
S23 Ep11 | 3m 12s
Watch visualizations of Einstein's thought experiments.
A Mind for Music
4m 5s
See neuroscientist Oliver Sacks's brain respond differently to music by Bach & Beethoven.
Modeling a Comet Airburst
3m 20s
See why an explosion three miles above Earth would act like a hot tornado on the surface.
Finding Earth-Like Planets
4m 6s
Learn how to find signs of extraterrestrial life in our galaxy without leaving home.
The Higgs Particle Matters
4m 46s
Learn how Peter Higgs' ideas about matter transformed our understanding of space.
NOVA Elements App
4m 33s
Explore an interactive periodic table, play an elemental game, and watch the NOVA program.
Growing Appetites, Limited Resources
2m 21s
The need for alternative energy sources is more pressing than ever.
A Never Ending Supply
2m 44s
What makes an energy source renewable and how can we use them to power our societies?
The Tongue-Eating Parasite
2m 34s
Gross science: This parasite crawls into a fish’s mouth and replaces its tongue.
16th Century Nose Jobs
2m 19s
Thinking about getting a nose job? Thank goodness it's not the 16th century.
Carnivorous Plants and Killer Ants
3m 3s
Ant eats plant's parasites. Plant eats ant's poop. It's the circle of life.
2.5 Ways to Die in a Black Hole
7m 12s
The answer to how you would die in a black hole could revolutionize the laws of nature.
Zombies and Calculus, Part 2
6m 50s
You're being chased by zombies, and understanding tangent vectors may save your life.
Do We Live in a Multiverse?
5m 2s
Could parallel universes exist? If so, what would they look like and how would they form?
Search Engine Breakdown
20m 37s
Two leading researchers investigate racial bias built into widely used search engines.
Introduction to Mental Accounting
2m 22s
Learn how we categorize our spending decisions to evaluate purchases.
Adapting Your Mental Accounts
3m 53s
Overcome mental accounting bias by adapting your mental accounts to different situations.
Introduction to Opportunity Cost
2m 16s
Learn how to think about your purchases in order to maximize happiness.
Defining Financial Well-being
1m 44s
Defining financial well-being with NOVA’s Financial Lab host, Yanely Espinal.
Focusing on Financial Behavior
1m 13s
Let's focus on the part of financial well-being you can control: your behavior.
How We Make Financial Decisions
1m 58s
Knowing what to do and wanting to do it is not enough. Learn why.
Introduction to Interest and Net Worth
4m 10s
Learn how interest can both help and hurt your overall net worth.
Overcoming Biases to Maximize Net Worth
3m 59s
Learn how to overcome status quo and exponential growth bias to maximize your net worth.
Introducing NOVA’s Financial Lab
1m 22s
Practice making financial decisions – and overcoming common biases – in this fun game.
Predicting My MS
30m 37s
A filmmaker with a rare type of multiple sclerosis explores the mysterious causes of MS.
A filmmaker with a rare type of multiple sclerosis explores the mysterious causes of MS.
Front Row Seat to Saturn
2m 39s
Out near Saturn, the spacecraft Cassini has just entered its final and riskiest chapter.
Sea Change: Bounty in the Gulf of Maine Preview
30s
Discover the lasting impact of how international trade forever changed the Gulf of Maine’s bounty.
Sea Change: Peril in the Gulf of Maine Preview
30s
Explore Cashes Ledge - part of the Gulf of Maine that helps power the Gulf’s more than 3,000 species
Sea Change: Survival in the Gulf of Maine Preview
30s
Meet the people leading new efforts to shape the future of the Gulf of Maine and our oceans.
Upcoming Schedule
Tue 02/11
4:00 PM
KVIE World 6.3
NOVA
Dino Birds
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today.
Tue 02/11
6:00 PM
KVIE World 6.3
NOVA
Lee and Liza's Family Tree
Science and genealogy help rebuild a family tree broken by slavery.
Tue 02/11
9:00 PM
KVIE World 6.3
NOVA
Dino Birds
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today.
Tue 02/11
11:00 PM
KVIE World 6.3
NOVA
Lee and Liza's Family Tree
Science and genealogy help rebuild a family tree broken by slavery.
Wed 02/12
5:00 AM
KVIE World 6.3
NOVA
Dino Birds
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today.
Wed 02/12
7:00 AM
KVIE World 6.3
NOVA
Lee and Liza's Family Tree
Science and genealogy help rebuild a family tree broken by slavery.
Wed 02/12
2:00 PM
KVIE2 6.2
NOVA
Dino Birds
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today.
Wed 02/12
9:00 PM
KVIE HD 6.1
NOVA
Egypt's Tombs of Amun
The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.
Sat 02/15
7:00 AM
KVIE2 6.2
NOVA
Dino Birds
Rare fossil discoveries reveal the secrets of bird evolution, and how some feathered dinos became the colorful birds that fill the sky today.
Mon 02/17
9:00 PM
KVIE2 6.2
NOVA
Egypt's Tombs of Amun
The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.
Tue 02/18
3:00 AM
KVIE2 6.2
NOVA
Egypt's Tombs of Amun
The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.
Tue 02/18
4:00 PM
KVIE World 6.3
NOVA
Egypt's Tombs of Amun
The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.
Tue 02/18
9:00 PM
KVIE World 6.3
NOVA
Egypt's Tombs of Amun
The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.
Wed 02/19
5:00 AM
KVIE World 6.3
NOVA
Egypt's Tombs of Amun
The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.
Wed 02/19
2:00 PM
KVIE2 6.2
NOVA
Egypt's Tombs of Amun
The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.
Wed 02/19
9:00 PM
KVIE HD 6.1
NOVA
Pompeii's Secret Underworld
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Sat 02/22
7:00 AM
KVIE2 6.2
NOVA
Egypt's Tombs of Amun
The discovery of a long-lost ancient cemetery in Egypt's sacred desert reveals details of a unique period when women had remarkable power.
Mon 02/24
9:00 PM
KVIE2 6.2
NOVA
Pompeii's Secret Underworld
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Tue 02/25
3:00 AM
KVIE2 6.2
NOVA
Pompeii's Secret Underworld
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Tue 02/25
4:00 PM
KVIE World 6.3
NOVA
Pompeii's Secret Underworld
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Tue 02/25
9:00 PM
KVIE World 6.3
NOVA
Pompeii's Secret Underworld
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Wed 02/26
5:00 AM
KVIE World 6.3
NOVA
Pompeii's Secret Underworld
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Wed 02/26
2:00 PM
KVIE2 6.2
NOVA
Pompeii's Secret Underworld
Archaeologists uncover new truths about Pompeii, a wealthy Roman playground with dark secrets.
Wed 02/26
9:00 PM
KVIE HD 6.1
NOVA
Baltimore Bridge Collapse
The investigation into the March 2024 container ship collision that resulted in the collapse of the Francis Scott Key Bridge in Baltimore.
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