Add Yahoo as a preferred source to see more of our stories on Google. An artist’s view of what the area of the Zvejnieki cemetery (present-day northern Latvia) might have looked like when animal parts ...

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 ...

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 ...

Many of the world’s animals can regrow lost teeth. The clear majority of those animals are fish or reptiles, but even a small subset of mammals can regrow lost teeth. Given the circumstances, have you ...

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, ...

Few people probably know that snails have teeth–and quite a few of them. They can not only rasp food but also cut with enormous force. PETBOOK explains why the native Roman snail performs such ...

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