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NOVA

The Mysteries of Optic Flow

2:58

How do birds manage to fly through narrow spaces without constantly bumping into trees or buildings? It turns out that they use a trick of the eye called optic flow. Understanding what optic flow is and how birds use it could help us build a safer world for our feathered friends.

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Inside Animal Minds

Inside Animal Minds

In this series, go inside the brains of three smart animals—dogs, birds, and dolphins.

Bird Brains

Bird Brains

Clues to the origins of human language are turning up in the brains of birds.

Seeing with Sound

Seeing with Sound

Future bio-inspired technologies could help the blind community echolocate like bats.

Episodes of NOVA41

NOVA

Memory Hackers

Scientists are learning how we can edit memories—and delete our worst fears.

53:07

NOVA

Creatures of Light

Deep in the ocean, animals that flash, sparkle, and glow use light to survive in the dark.

53:07

NOVA

Himalayan Megaquake

The 2015 quake that rocked Nepal was the biggest in 90 years—can we forecast the next one?

53:07

NOVA

Mystery Beneath the Ice

What’s behind the death of a tiny creature with an outsized role in the Antarctic?

52:51

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Clips of NOVA180

NOVA

Implanting False Memories

How to make someone believe they’ve committed a crime that never happened.

3:17

NOVA

Amazing Calendar Trick

With a dash of math, know the day of the week for any date on the calendar.

4:17

NOVA

The Hidden Fluorescent World

The proteins that make fish fluoresce could help scientists map the human brain.

3:19

NOVA

How to Find a Galaxy

Knowing the addresses of a thousand galaxies yielded a remarkable picture of our universe.

4:24

NOVA

A Rock Symphony

Robert Hazen is a geologist who plays music—two interests that have a lot in common.

1:34

NOVA

Bazaar Rocks

It’s possible to find all of Earth’s history tucked inside a market stall in Morocco.

2:24

NOVA

A Cathedral of Ice

A scientist dives beneath the surface of the frigid Antarctic ice sheet.

2:45

NOVA

The Minerals Behind Modern Life

Minerals are essential in making everything from skyscrapers tall, to mobile phones small.

2:04

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Previews of NOVA150

NOVA

Rise of the Robots Preview

How will human-like robots change our future and how we see ourselves?

0:30

NOVA

Himalayan Megaquake Preview

The 2015 quake that rocked Nepal was the biggest in 90 years—can we forecast the next one?

0:30

NOVA

Memory Hackers Preview

Scientists are learning how we can edit memories—and delete our worst fears.

0:30

NOVA

Mystery Beneath the Ice Preview

What’s behind the death of a tiny creature with an outsized role in the Antarctic?

0:30

See all