Animals Might Be Much Older Than We Thought
10:37
These Fossils Were Supposed To Be Impossible
15:53
What Actual Aliens Might Look Like
12:27
There's No Single Cradle of Humankind
29:15
What Do We Know About Dinosaurs?
19:13
Why Do Deep Sea Creatures Evolve Into Giants?
21:07
How Many Black Holes Are In The Solar System?
11:34
How Snake Venom Sparked An Evolutionary Arms Race
11:19