Paleontologist Whitey Hagedorn searches for traces of early inhabitants of an ancient sea.
Paleontologist Jenny Clack looks at fossils and fossilized footsteps to try to discover the first vertebrate to make the transition from water to land.
Reviews the relationship between evolution and the fossil record.
Find out how scientists find fossils and what they learn from them.
What do you do if you see a 8 foot arthropod? Pinch yourself, because you are either dreaming or you've traveled back in time!