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How Snake Venom Sparked An Evolutionary Arms Race

How Snake Venom Sparked An Evolutionary Arms Race

Season 6 Episode 15
9:11
What Was The Earliest Surgery?

What Was The Earliest Surgery?

Season 6 Episode 16
7:59
What Will Earth Be Like 300 Million Years From Now?

What Will Earth Be Like 300 Million Years From Now?

Season 6 Episode 17
9:34
The Hazy Evolution of Cannabis

The Hazy Evolution of Cannabis

Season 6 Episode 18
10:18
No Single Cradle of Humankind

No Single Cradle of Humankind

Season 6 Episode 19
10:46
The Second Time Sponges Took Over The World

The Second Time Sponges Took Over The World

Season 6 Episode 20
8:04
When The Atlantic Ripped Open A Supercontinent

When The Atlantic Ripped Open A Supercontinent

Season 6 Episode 21
10:21
The Mystery of South America's False Horses

The Mystery of South America's False Horses

Season 7 Episode 2
9:45
What's the Oldest Beverage

What's the Oldest Beverage

Season 7 Episode 3
11:55
How The Elephant Got Its Trunk

How The Elephant Got Its Trunk

Season 7 Episode 4
11:53
Featured Videos

How the Himalayas Changed the World

Season 7 Episode 6
10:04
Where Did the Moon Come From?

Where Did the Moon Come From?

Season 7 Episode 5
10:50
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Eons

Why Is It So Hard to Tell the Sex of a Dinosaur?

Season 6 Episode 14

While we think we know a lot about dinosaurs – like how they moved and what they ate – for a long time, we haven’t been able to ID one seemingly basic thing about their biology... Which are males and which are females?
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