The sensitive interior of human teeth might have originated from a seemingly unlikely place: sensory tissue in fish that were swimming in Earth’s oceans 465 million years ago. While our teeth are ...

Baleen whales don’t have teeth. Instead, they use baleen, a filtering system that lets the largest animals on Earth feed on ...

For much of the twentieth century, sharks and large reptiles were assumed to define the upper limits of dental sharpness in the history of life. That assumption has been revised by detailed ...

Prehistoric people used a culinary method, similar to slow cooking today, to carefully extract animal teeth to use in decorative crafts, such as pendant-making, archaeologists have shown. It has long ...

New research shows that conodonts, extinct eel-like marine animals, possessed tooth elements sharper than those of any living vertebrate. Using high-resolution microscopy, scientists measured tip ...

And there's a good chance that most of those teeth — pulled by wildlife agencies, hunters and biologists at game check stations or through live-trapping programs (they pull the smallest, ...

When you consider animals that have a lot of teeth, sharks are likely to be the first ones that come to mind, since they can ...

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