Evolution of Live birth (Why do mammal not lay eggs?)
9:19
The Evolution of the Heart
10:55
It's Becoming Very Clear That Birds Are Not Normal
11:12
How Vertebrates Prevailed Over the Giant Insects
22:39
Why Pandas Are Impressively Bad at Existing
24:36
The Evolution of the Elephant
9:03
A evolução dos pulmões
9:51
The Evolution of Whales
9:07