"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 ...

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

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 ...

For more than a century, dentistry has focused on repairing or replacing damaged teeth, not growing new ones. That assumption is now under direct challenge, as Japanese teams move a first-of-its-kind ...