Why are Shark Teeth Shaped like That?

Sharks are known for their big toothy "grins". But what do we really know about shark teeth?  Dr. Lisa Whitenack, associate professor at Allegheny College and a shark expert, is here to chat with us about a few of the very interesting shark teeth she has discovered and what type of research her lab is doing to discover just how these teeth work. You won't want to miss this very exciting episode!