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The Great Snake Debate

The Great Snake Debate

Season 1 Episode 28
6:28
The Whole Saga of the Supercontinents

The Whole Saga of the Supercontinents

Season 1 Episode 29
8:40
How Sex Became A Thing

How Sex Became A Thing

Season 1 Episode 31
5:39
How the Turtle Got Its Shell

How the Turtle Got Its Shell

Season 1 Episode 33
8:29
The Most Useful Fossils In The World

The Most Useful Fossils In The World

Season 1 Episode 35
5:49
Inside the Dinosaur Library

Inside the Dinosaur Library

Season 1 Episode 36
7:19
What Was the Ancestor of Everything?

What Was the Ancestor of Everything?

Season 1 Episode 37
11:06
How the Squid Lost Its Shell

How the Squid Lost Its Shell

Season 1 Episode 38
8:05
How the Chalicothere Split In Two

How the Chalicothere Split In Two

Season 1 Episode 39
7:03
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Eons

Untangling the Devil's Corkscrew

Season 1 Episode 27

In the late 1800s, paleontologists in Nebraska found huge coils of hardened sand stuck deep in the earth. Local ranchers called them Devil's Corkscrews and scientists called them Daemonelix. It was clear these corkscrews were created by some form of life, but what?

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When We Tamed Fire
11:46
The ability to make and use fire has fundamentally changed the arc of our evolution.
Ancient Fauna, Flora & Fungi
11:38
Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes.
When We First Made Tools
9:08
When We First Made Tools
The Giant Bird That Got Lost in Time
8:33
The California condor is the biggest flying bird in N. America since the Pleistocene Epoch
The Island of Huge Hamsters and Giant Owls
11:41
The Island of Huge Hamsters and Giant Owls
How 7,000 Years of Epic Floods Changed the World
9:28
How 7,000 Years of Epic Floods Changed the World
The Evolution of the Heart (A Love Story)
9:00
The Evolution of the Heart
The Island of Shrinking Mammoths
11:20
The Island of Shrinking Mammoths
The Humans That Lived Before Us
11:52
The Humans That Lived Before Us
How Blood Evolved (Many Times)
9:56
How Blood Evolved (Many Times)
When Humans Were Prey
9:21
Not too long ago, our early human ancestors were under threat of attack from predators.
Why Megalodon (Definitely) Went Extinct
10:45
What happened to the largest shark in history?
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