How did Animals Evolve to Live in Colonies?
10:27
How Viruses Evolved
9:48
Why Are Animals Symmetrical?
10:32
A única vez que os anfíbios conquistaram os oceanos
11:03
The Reign of the Hell Ants
10:17
The Evolution of Bears
8:20
Hesperornis the Dinosaur Era's Penguins
9:26
Evolution of the Platypus
9:35