Up Next
Back to Show
Eons
How the Chalicothere Split In Two
Season 1
Episode 39
Two extinct relatives of horses and rhinos are closely related to each other but have strikingly different body plans. How did two of the same kind of animal, living in the same place, end up looking so different?
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
8:06
Around 10,000 years ago, a parasite made a huge leap and found its way to a new host: Us.
9:38
Here's how pterosaurs went from being airborne to pedestrian.
8:14
Dental calculus is the only part of your body that actually fossilizes while you're alive!
9:17
Here's why these skilled toolmakers, hunters, and foragers' population disappeared.
10:11
For the first 80 million years of plants' existence, leaves didn't exist. Here's why.
7:49
We learn about Dinosaur mating behavior from fossil records.
10:05
Here's how the evolution of ocean-going whales affected deep-ocean communities.
11:09
Scientists discover dinosaurs and tiny mammals' sleep habits are different than thought.
7:55
The history of how the Amazon's revolution began in just one day.
9:59
Discover the effects of the Toba supervolcano.
9:32
Pollination by insects actually got going twice.
6:46
The Toxodon fossils help reveal the mystery surrounding evolution.