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Watch Scientists Extract a Rare Turtle Fossil

With teamwork, careful handling, and a little help from liquid nitrogen, scientists unearth a remarkable baenid turtle fossil.
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Clip Season 49 Episode 6 Length 03:04 Premiere: 05/11/22

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Season 49 Episodes

Ice Age Footprints
S49 E9 Length 53:43 Premiere Date 05/25/22

Why Ships Crash
S49 E8 Length 53:20 Premiere Date 05/18/22

How Seaweed May Help Revive Our Oceans
Clip Length 04:39 Premiere Date 08/18/22

The False Promise of Cloning Your Pet
Clip Length 06:37 Premiere Date 08/16/22

This Device Smells Diseases by Imitating a Dog's Nose
Clip Length 04:43 Premiere Date 05/26/22

Dinosaur Apocalypse: The New Evidence Preview
Preview Length 00:29 Premiere Date 05/11/22

Inside a Fossilized Pterosaur Egg
Clip Length 02:58 Premiere Date 05/11/22

Watch Scientists Extract a Rare Turtle Fossil
Clip Length 03:04 Premiere Date 05/11/22

War Threatens Ukrainian Nuclear Power Plants
Clip Length 07:09 Premiere Date 04/04/22

Animal-to-Human Organ Transplants
Clip Length 04:59 Premiere Date 03/02/22

What is 5G, and is it Safe to Use on Planes?
Clip Length 05:39 Premiere Date 02/16/22

Introducing NOVA's Financial Lab
Clip Length 01:22 Premiere Date 02/11/22

Can South Carolina's Salt Marshes Be Saved?
Clip Length 08:27 Premiere Date 01/26/22

From Prison to Careers in STEM
Clip Length 08:12 Premiere Date 01/12/22

Could Antiviral Pills Change the Course of the Pandemic?
Clip Length 08:12 Premiere Date 01/05/22

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When Whales Could Walk - S51 E1

Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.

  • Thursday May 21, 2026 5:00 pm ET on KET
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Great Mammoth Mystery - S49 E3

Sir David Attenborough explores a unique site in southern England with rare traces of Ice Age mammoths and Neanderthals. How did humans survive the frigid climate, and did they have the tools and talent to hunt the giant beasts?

  • Wednesday May 27, 2026 9:00 pm ET on KET
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Can Dogs Talk? - S53 E3

Scientists conduct the largest animal communication study in history to see if innovative word buttons truly enable dogs to talk.

  • Sunday June 7, 2026 7:00 pm ET on KET2
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Alaskan Dinosaurs - S48 E21

Wielding chainsaws to extract fossils frozen into the permafrost and flying drones to map thousands of footprints, intrepid paleontologists discover that dinosaurs thrived in the cold and dark of the Arctic Circle.

  • Wednesday June 10, 2026 9:00 pm ET on KET
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Secrets of the Forest - S52 E8

Scientists gather data on how forests work and try to figure out how they can help tackle the twin threats of climate change and species extinction.

  • Wednesday June 17, 2026 9:00 pm ET on KET
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When Whales Could Walk - S51 E1

  • Wednesday May 20, 2026 9:00 pm ET on KET
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Decoding the Universe: Quantum - S51 E14

  • Tuesday May 19, 2026 1:00 am ET on KET2
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Decoding the Universe: Cosmos - S51 E8

  • Tuesday May 12, 2026 1:00 am ET on KET2
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Athens: Birth of Democracy - S53 E7

  • Tuesday May 5, 2026 1:00 am ET on KET2
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Rain Bombs - S53 E5

  • Tuesday April 28, 2026 1:00 am ET on KET2
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Return to the Moon - S53 E8

  • Tuesday April 21, 2026 1:00 am ET on KET2
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