How Blood Evolved (Many Times)
9:48
The Evolution of the Heart (A Love Story)
10:39
How Earth's First, Unkillable Animals Saved the World
35:56
The Insane Biology of: The Tardigrade
20:15
What is Impossible in Evolution?
11:19
How We Identified One of Earth’s Earliest Animals
12:21
How Humans Lost Their Fur
11:58
From the Cambrian Explosion to the Great Dying
16:53