How the Egg Came First
11:19
How We Identified One of Earth’s Earliest Animals
10:06
A Short Tale About Diplodocus' Long Neck
8:05
How a Hot Planet Created the World's Biggest Snake
10:53
When Giant Amphibians Reigned
10:01
How Horses Took Over North America (Twice)
12:22
When Birds Had Teeth
8:12
How We Domesticated Cats (Twice)
11:37