The Amazing Shapes of Ammonites
4:08
How is a nautilus different from a squid?
5:40
The ABCs of Cephalopods with Conservation Biologist Samantha Cheng
4:47
The Squid and the Whale: Evidence for an Epic Encounter
5:27
What is a fossil?
7:34
How can you tell if a mushroom is poisonous?
3:10
Eusrepto and Ammonite | Andy's Dinosaur Adventures | Andy's Amazing Adventures
5:47
Is Spider Silk Stronger Than Steel? | MythBusters Jr.
5:26