10:13

Sparassodonta - South America's Former Carnivores

18:33

The Evolution of the Giraffe

13:45

What were Tyrannosaur Forelimbs Used For?

9:25

The Evolution of the Sloth

13:06

The Evolution of Sauropods

27:15

O Conceito Mais Mal Compreendido da Física

8:06

The Evolution of the Hippopotamus

8:03

The Evolution of Seals, Sea Lions, and Walruses