Skip to main content

Up Next

When Birds Stopped Flying

When Birds Stopped Flying

Season 2 Episode 2
7:14
When Camels Roamed North America

When Camels Roamed North America

Season 2 Episode 3
9:45
When Sharks Swam the Great Plains

When Sharks Swam the Great Plains

Season 2 Episode 5
11:45

When Apes Conquered Europe

Season 2 Episode 6
8:08
When Humans Were Prey

When Humans Were Prey

Season 2 Episode 8
9:21
How Blood Evolved (Many Times)

How Blood Evolved (Many Times)

Season 2 Episode 9
9:56
The Humans That Lived Before Us

The Humans That Lived Before Us

Season 2 Episode 10
11:52
The Island of Shrinking Mammoths

The Island of Shrinking Mammoths

Season 2 Episode 11
11:20
Back to Show
Eons

When Rodents Rafted Across the Ocean

Season 2 Episode 1

The best evidence we have suggests that, while Caviomorpha originated in South America, they came from ancestors in Africa, over 40 million years ago. So how did they get there?

Support Provided By
Season
That Time Oxygen Almost Killed Everything
4:45
What if we told you that there was a time when oxygen almost wiped out all life on Earth?
The Story of Saberteeth
5:26
Smilodon was a fearsome Ice Age cat, the size of a modern-day tiger.
What Colors Were Dinosaurs?
5:02
We know a lot about dinosaurs but there’s one question that has plagued paleontologists..
Stegosaurs: Tiny Brains & Thagomizers
4:49
If you take it as a given that extinct dinosaurs were all weird and wonderful, then you go
The Tully Monster & Other Problematic Creatures
4:01
There are animals in the fossil record that challenge some of our most basic ideas..
When Did the First Flower Bloom?
4:21
During the Cretaceous Period, dinosaurs were more diverse, more fierce, and more strange.
The Trouble With Trilobites
6:46
Trilobites are famous not just because they were so beautifully functional..
That Time Earth was Sticky
10:45
What exactly made this time period so very, very sticky?
When India Was An Island
11:04
We need to talk about the biggest break-up of all-time.
Active loading indicator