More Episodes

When Mammals Only Went Out At Night

Scientists discover dinosaurs and tiny mammals' sleep habits are different than thought.

How Ancient Whales May Have Changed the Deep Ocean

Here's how the evolution of ocean-going whales affected deep-ocean communities.

How Dinosaurs Coupled Up

We learn about Dinosaur mating behavior from fossil records.

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