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The Case for Eating Bugs
Would you eat insects if it helped save the planet?
Clip: S44 | 4m 26s
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Grow Your Own Crystals
What should you do with the borax you have leftover from making slime? Make crystals!
Clip: S44 | 3m 38s
WannaCry Cyberattack Explained
The WannaCry cyberattack cost the economy billions of dollars. Here's why that's scary.
Clip: S44 | 1m 56s
Meet the Gastric-Brooding Frog
These frogs barfed up their babies—and now scientists are trying to revive them.
Clip: S44 | 5m 30s
Should You Wash Your Hands?
What do we really mean when we say that we’re clean?
Clip: S44 | 4m 40s
Holocaust Escape Tunnel Preview 1
At ground zero for the final solution, scientists uncover a story of hope and bravery.
Preview: S44 | 30s
Scientists Walking Confidently
NOVA has stood for science since 1974, bringing remarkable discoveries to TV and beyond.
Clip: S44 | 1m 6s
Is Fear Contagious
Fear may be able to spread from person to person—just like a virus.
Clip: S44 | 5m 17s
Here's everything you didn't want to know about snot.
Clip: S44 | 3m 58s
A Scientist Walks Into A Bar #1
An astrophysicist must explain her work on black holes so two comedians can understand it.
Clip: S44 | 4m 7s
A Scientist Walks Into A Bar #2
A scientist must explain the Big Bang and dark energy so two comedians can understand it.
Clip: S44 | 3m 33s
What Makes Science True?
Science is facing what many consider a reproducibility crisis, and the stakes are high.
Clip: S44 | 15m
Zika: The Untold Story
Join the scientists who saw Zika coming as they trace its origins.
Clip: S44 | 14m 40s
Day the Dinosaurs Died Preview
Experts drill into the impact crater of an asteroid that created a worldwide cataclysm.
Preview: S44 Ep21 | 30s
Do Birds Remember Faces?
Crows can remember the face of their captors—even after generations.
Clip: S44 Ep20 | 1m 49s
Bird Brain Preview
Watch as birds solve puzzles and challenge our basic notions of intelligence.
Preview: S44 Ep20 | 30s
Darwin's Beetles Spar Off
Beetles make up the largest group of insects on Earth. Why do so few have massive pincers?
Clip: S44 Ep19 | 1m 55s
Why Fiddler Crabs Have Giant Claws
Fiddler crabs' large claws look intimidating, but is deadly combat their main purpose?
Clip: S44 Ep19 | 3m 32s
Extreme Animal Weapons Preview
NOVA uncovers the secrets of nature’s battleground—claws, horns, fangs and all.
Preview: S44 Ep19 | 30s
Killer Floods Preview
Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.
Preview: S44 Ep18 | 30s
First Time Britain Left Europe
Geologists think these iconic chalk cliffs hold an extraordinary secret.
Clip: S44 Ep18 | 3m 15s
Killer Hurricanes Preview
Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.
Preview: S44 Ep17 | 30s
What Makes a Hurricane?
Hurricanes bring wind, rain, and destruction—but how do they form?
Clip: S44 Ep17 | 1m 20s
Ancient Volcanic Activity in Ice
Researchers try to prove the existence of a 13th century volcanic eruption using ice.
Clip: S44 Ep16 | 1m 49s