More Episodes

When It Was Too Hot for Leaves

For the first 80 million years of plants' existence, leaves didn't exist. Here's why.

Why The Paleo Diet Couldn't Save The Neanderthals

Here's why these skilled toolmakers, hunters, and foragers' population disappeared.

The Fossil Record In Your Mouth

Dental calculus is the only part of your body that actually fossilizes while you're alive!

View all episodes

Other shows you may enjoy

NOVA
Nature
Physics Girl
NOVA scienceNOW
Kingdoms of the Sky
A Year in Space

Browse all shows