The human body is resilient, but not every part is replaceable internally. As a result, people are always on the lookout for better methods of transplant and prosthesis, which we’ve harnessed as ...

Your teeth wouldn’t do much against a woolly mammoth. But a saber-toothed cats’ teeth — those were perfectly evolved to take down such giant prey. All animals’ teeth evolved to help them survive.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you search around the shorelines of the North Pacific, you might ...

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

Teeth are called incisors, canines, premolars, and molars. Each type of tooth has a specific function, including biting, chewing, and grinding food. Teeth are made up of different layers — enamel, ...

Scientists have discovered the oldest known animal with saber teeth: a predator that lived 270 million years ago. This animal, from before the age of the dinosaurs, was a dog-like creature that was ...

An artist’s view of what the area of the Zvejnieki cemetery (northern Latvia) might have looked like when animal parts were processed in the cooking pits. The research centers on the Zvejnieki ...