As humans we need to clean our teeth regularly to prevent cavities, while animals seem to have healthy teeth without using toothbrushes or toothpaste. Why animals do not need to brush their teeth like ...

From Japan to China to Toledo, zookeepers routinely brush hippos' teeth. In the wild, hippos rely on birds and fish for ...

View post: This World-Record Diver Shows the Power of Breath Control A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our ...

(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 ...

Losing your baby teeth is a strange experience. The teeth gradually loosen until they're replaced by thicker, more durable ...

Gaps between teeth are a natural part of human dental anatomy influenced by evolution, genetics, and development. Whether a ...

For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use—people cleaning their ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In prehistoric communities across what is now northeastern Europe ...

They look the same in ancient and modern arthropods, because they’re all making this mineralized layer that caps their soft tissue and helps them sense the environment,” Haridy said. It’s likely that ...

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