Why Is It So Hard to Tell the Sex of a Dinosaur?
12:34
The Giant Dinosaur That Was Missing a Body
14:13
Animals Might Be Much Older Than We Thought
10:43
The Huge Extinctions We Are Just Now Discovering
8:44
The Mystery Of The Mashed-Up Dinosaurs
9:39
How Long Have We Been Caring For Each Other?
12:27
There's No Single Cradle of Humankind
11:40
Where Are All the Medium-Sized Dinosaurs?
12:21