"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A study out of Japan showed how targeting genes can regrow teeth in animals. Now, the team has turned to ...

A large comparative study of primate teeth shows that grooves once linked to ancient human tooth-picking can form naturally, while some common modern dental problems appear uniquely human.

A timeless question has always fascinated scientists who study the past. Which comes first, the new behavior or the physical tool that perfects it? Do you change how you live and then evolve the body ...

The human body is remarkably good at handling repairs. Cut the skin, and the blood will clot over the wound and the healing ...

The next time you wince from an ice-cold drink or a too-hot slice of pizza, blame your ancestors. Specifically, the armor-plated fish that swam Earth’s oceans over 460 million years ago. A new study ...

For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use—people cleaning their teeth with sticks or fibers, or easing gum pain with makeshift "toothpicks." ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. As humans, one of our biggest evolutionary advantages is our ...

It’s not surprising that many people fear the dentist. Replacing a tooth often requires invasive surgery and implanting a titanium screw into a patient’s jawbone, then waiting months for that to ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why do people have two sets of teeth? – Ivy D., ...