Some fossils of long-extinct sea creatures display brilliant rainbow colors. Known as ammolite, these gems come from the fossilized shells of ammonites, squid-like marine animals that vanished with ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

Talk Show all-star Kallie Moore returns to tell us about the exciting things happening over at Eons, and Jessi stops by with not one but two poke-y guests! #SciShow #Eons #Smithsonian #Fossil ...