How close are we to seeing the tooth regeneration breakthrough in everyday dental care? What if your body could just grow a new tooth? Scientists in Japan are working on a discovery that might make ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A sliver of what makes sharks so intriguing comes with their ability to regrow teeth. And while a group ...

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...