Skip to main content

Up Next

How Humans Lost Their Fur

How Humans Lost Their Fur

Season 3 Episode 27
11:27

When Lizards Took Over the World

Season 3 Episode 28
8:29
When the Earth Suddenly Stopped Warming

When the Earth Suddenly Stopped Warming

Season 3 Episode 29
10:21
The Triassic Reptile With "Two Faces"

The Triassic Reptile With "Two Faces"

Season 3 Episode 30
10:11
The Reign of the Hell Ants

The Reign of the Hell Ants

Season 3 Episode 32
10:09
When We First Talked

When We First Talked

Season 3 Episode 34
11:13
The Genes We Lost Along the Way

The Genes We Lost Along the Way

Season 3 Episode 36
12:01
Back to Show
Eons

Why Do Things Keep Evolving Into Crabs?

Season 3 Episode 24

For some reason, animals keep evolving into things that look like crabs, independently, over and over again. What is it about the crab’s form that makes it so evolutionarily successful that non-crabs are apparently jealous of it?

Support Provided By
Season
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?
Today, apes live only in Africa and Asia but this wasn't always the case.
Active loading indicator