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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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Life, Sex & Death Among the Dire Wolves
9:15
Dire wolves were real! Their remains taught us a lot about how they lived.
The Rise and Fall of the Bone-Crushing Dogs
8:29
What happened to the biggest dogs that ever lived?
Earth & Climate Science
9:15
Yellowstone contains some of North America's most amazing fossil deposits.
How Horses Took Over North America (Twice)
9:08
Horses vanished from North America for 10,000 years until a mammal brought them back.
When Birds Had Teeth
11:29
How did Archaeopteryx relate to today’s birds? Its teeth provide a major clue.
When Fish Wore Armor
9:37
420 million years ago, some fish wore armor – and it may have served a surprising purpose.
The Mystery of the Eocene’s Lethal Lake
7:59
In the 1800s, miners found beautifully preserved fossils of animals from the Eocene.
When Insects First Flew
8:38
Insects were the first animals to fly. Scientists are still working on how it happened.
FAQs From Our First Year
9:20
To celebrate our first anniversary together, we’d like to answer some of your questions.
Dinosaurs
6:54
Tyrannosaurus rex had tiny arms. How did this happen, and why did it keep them?
When Fish First Breathed Air
8:40
Before a group of fish could live on dry land, they acquired the ability to breathe air.
Early Life on Earth
7:29
Where did viruses come from and how did they evolve? Are viruses alive?
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