(CNN) — 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 ...

When we think about wildlife, we usually notice a bird’s bright colours, a predator’s speed, or a mammal’s size. But there’s one feature we often overlook– teeth. For many animals, teeth aren’t just ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In prehistoric communities across what is now northeastern Europe ...

Whether you’re talking about sharks, crocodiles, lions, or even velociraptors, some of the most fearsome traits of these predators involve their rows of sharp, crushing, or jagged teeth. Only ...

Add Yahoo as a preferred source to see more of our stories on Google. A CT scan of the tooth-like odontode structure from Astrapsis, an ancient jawless vertebrate fish shows that its tubules (shown in ...

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