When Sea Turtles Grew to the Size of Rhinos
8:49
Megarachne the Giant Spider that Turned Out to be a Sea Scorpion
8:55
When Crocodiles Swam The Oceans
32:15
Introduction of Black Hole by Dr. Alex Filippenko Part 6#Quasars #space #cosmos #spacefact #universe
9:13
How Fish Came on to Land
16:08
Why Evolution Has Screwed Sea Turtles (And So Have We)
9:57
When Ichthyosaurs Led a Revolution in the Seas
9:39
When Beavers Grew to the Size of Bears
7:47