
Shark teeth: The sharp bits of a squishy animal
Brains On! Science podcast for kids
00:00
Shark Skins for 600?
Sharks are older than trees and dinosaurs. Shark skin feels similar to sand paper. Scientists believe sharks are over 400 million years old, making them some of the most ancient creatures in the world. They've even lived through five mass extinctions.
Transcript
Play full episode