Our sensitive teeth originally evolved from the "body armor" of extinct fish that lived 465 million years ago, scientists say. In a new study, the researchers showed how sensory tissue discovered on ...

A fish with large, human-like teeth was caught off the coast of North Carolina last week. It was a sheepshead fish brought in by Nathan Martin, and photos of it were posted to Facebook by Jeanette’s ...

The sensitive interior of human teeth might have originated from a seemingly unlikely place: sensory tissue in fish that were swimming in Earth’s oceans 465 million years ago. While our teeth are ...

Yara Haridy, an evolutionary biologist at the University of Chicago, likes to stun people by telling them that our skeletons evolved from a jawless fish. "Much of what we have today has been around ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The sensitive ...

View post: We Already Have a Contender for the Best Movie of 2026 A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our ...

Teeth are sensitive because they evolved from sensory tissue in both ancient vertebrates and ancient arthropods. When you purchase through links on our site, we may earn an affiliate commission.