From the Vault: TEETH

Where do teeth come from and how do different dental variations in the animal world force us to rethink our glorious chompers? In this episode of Stuff to Blow Your Mind, Robert and Joe explore dental evolution and the wondrous marching molars of elephants and manatees. (Originally published 7/23/2019) Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers