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Animal Espionage
Access to this video is a benefit to members with PBS Passport.
Nova

Animal Espionage

Camera traps and drones are revolutionizing the study of wildlife by providing an up-close look at animals without disturbing them. See how these technologies are helping us understand everything from mysterious whale behavior to tiger migration.

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Full Episodes
Season
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Episode
20:37
Nova

Search Engine Breakdown

Two leading researchers investigate racial bias built into widely used search engines.
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Episode
53:12
Nova

Ship That Changed the World

As we excavate a 500-year-old wreck, learn the secrets behind history’s great ships.
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Episode
53:06
Nova

Great Electric Airplane Race

Will electric planes replace polluting airliners and lead to flying taxis in our cities?
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Episode
53:13
Nova

Hindenburg: The New Evidence

Eighty years after the world’s largest airship ignited in a giant fireball, newly discovered footage sparks a reinvestigation of what exactly caused the Hindenburg disaster.
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Episode
53:06
Nova

Fighting for Fertility

Follow the journeys of people navigating fertility challenges from structural inequalities and racism to falling sperm counts, egg freezing, and IVF.
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Episode
53:21
Nova

Reef Rescue

Scientists race to help corals adapt to warming oceans through assisted evolution.
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Episode
1:33:06
Nova

Picture a Scientist

Researchers expose longstanding discrimination against women in science.
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Episode
53:46
Nova

Looking for Life on Mars

NASA launches its most ambitious search yet for traces of ancient life on Mars.
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Episode
53:26
Nova

Secrets in our DNA

More than 12 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA, but what actually happens once the sample is in the hands of testing companies? What are they looking at and how accurate are they?
The sun from outer space shines down on Earth. | From "NOVA: Can We Cool the Planet?"
Episode
53:31
Nova

S47 E16: Can We Cool The Planet?

As global temperatures rise, scientists are exploring geoengineering solutions, from planting trees to sucking carbon out of the air to physically blocking out sunlight. But would it work? And what are the risks of engineering Earth's climate?
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