Extras

Video thumbnail: NOVA The Case for Eating Bugs

NOVA

The Case for Eating Bugs

Would you eat insects if it helped save the planet?

The Case for Eating Bugs

Video thumbnail: NOVA Grow Your Own Crystals

NOVA

Grow Your Own Crystals

What should you do with the borax you have leftover from making slime? Make crystals!

Grow Your Own Crystals

Video thumbnail: NOVA WannaCry Cyberattack Explained

NOVA

WannaCry Cyberattack Explained

The WannaCry cyberattack cost the economy billions of dollars. Here's why that's scary.

WannaCry Cyberattack Explained

Video thumbnail: NOVA Meet the Gastric-Brooding Frog

NOVA

Meet the Gastric-Brooding Frog

These frogs barfed up their babies—and now scientists are trying to revive them.

Meet the Gastric-Brooding Frog

Video thumbnail: NOVA Should You Wash Your Hands?

NOVA

Should You Wash Your Hands?

What do we really mean when we say that we’re clean?

Should You Wash Your Hands?

Video thumbnail: NOVA Holocaust Escape Tunnel Preview 1

NOVA

Holocaust Escape Tunnel Preview 1

At ground zero for the final solution, scientists uncover a story of hope and bravery.

Holocaust Escape Tunnel Preview 1

Video thumbnail: NOVA Scientists Walking Confidently

NOVA

Scientists Walking Confidently

NOVA has stood for science since 1974, bringing remarkable discoveries to TV and beyond.

Scientists Walking Confidently

Video thumbnail: NOVA Is Fear Contagious

NOVA

Is Fear Contagious

Fear may be able to spread from person to person—just like a virus.

Is Fear Contagious

Video thumbnail: NOVA Snot 101

NOVA

Snot 101

Here's everything you didn't want to know about snot.

Snot 101

Video thumbnail: NOVA A Scientist Walks Into A Bar #1

NOVA

A Scientist Walks Into A Bar #1

An astrophysicist must explain her work on black holes so two comedians can understand it.

A Scientist Walks Into A Bar #1

Video thumbnail: NOVA A Scientist Walks Into A Bar #2

NOVA

A Scientist Walks Into A Bar #2

A scientist must explain the Big Bang and dark energy so two comedians can understand it.

A Scientist Walks Into A Bar #2

Video thumbnail: NOVA What Makes Science True?

NOVA

What Makes Science True?

Science is facing what many consider a reproducibility crisis, and the stakes are high.

What Makes Science True?

Video thumbnail: NOVA Zika: The Untold Story

NOVA

Zika: The Untold Story

Join the scientists who saw Zika coming as they trace its origins.

Zika: The Untold Story

Video thumbnail: NOVA Day the Dinosaurs Died Preview

NOVA

Day the Dinosaurs Died Preview

Experts drill into the impact crater of an asteroid that created a worldwide cataclysm.

Day the Dinosaurs Died Preview

Video thumbnail: NOVA Do Birds Remember Faces?

NOVA

Do Birds Remember Faces?

Crows can remember the face of their captors—even after generations.

Do Birds Remember Faces?

Video thumbnail: NOVA Bird Brain Preview

NOVA

Bird Brain Preview

Watch as birds solve puzzles and challenge our basic notions of intelligence.

Bird Brain Preview

Video thumbnail: NOVA Darwin's Beetles Spar Off

NOVA

Darwin's Beetles Spar Off

Beetles make up the largest group of insects on Earth. Why do so few have massive pincers?

Darwin's Beetles Spar Off

Video thumbnail: NOVA Why Fiddler Crabs Have Giant Claws

NOVA

Why Fiddler Crabs Have Giant Claws

Fiddler crabs' large claws look intimidating, but is deadly combat their main purpose?

Why Fiddler Crabs Have Giant Claws

Video thumbnail: NOVA Extreme Animal Weapons Preview

NOVA

Extreme Animal Weapons Preview

NOVA uncovers the secrets of nature’s battleground—claws, horns, fangs and all.

Extreme Animal Weapons Preview

Video thumbnail: NOVA Killer Floods Preview

NOVA

Killer Floods Preview

Scientists uncover geologic evidence of epic floods that tore through ancient landscapes.

Killer Floods Preview

Video thumbnail: NOVA First Time Britain Left Europe

NOVA

First Time Britain Left Europe

Geologists think these iconic chalk cliffs hold an extraordinary secret.

First Time Britain Left Europe

Video thumbnail: NOVA Killer Hurricanes Preview

NOVA

Killer Hurricanes Preview

Experts reconstruct the Great Hurricane of 1780 to help predict the risk of future storms.

Killer Hurricanes Preview

Video thumbnail: NOVA What Makes a Hurricane?

NOVA

What Makes a Hurricane?

Hurricanes bring wind, rain, and destruction—but how do they form?

What Makes a Hurricane?

Video thumbnail: NOVA Killer Volcanoes Preview

NOVA

Killer Volcanoes Preview

Scientists hunt for a mega-eruption that plunged medieval Earth into a deep freeze.

Killer Volcanoes Preview