Mr. Beast's teeth have long been a topic in his YouTube comments, and fans some fans noticed that they've changed.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We all want brighter, whiter teeth — and we want them now. But professional teeth whitening can be ...

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Just how many teeth do humans have? We take a bite out of the science to help you digest the facts. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Researchers analyzed the teeth of the earliest dinosaurs to determine what they ate. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It's long ...

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

Ichthyosaurs were marine reptiles during the time of the dinosaurs, and scientists don't know much about their ancestry. But by CT-scanning the fossil of one of the first ichthyosaurs, scientists ...