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 ...

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 ...

The teeth of the Komodo dragon are a sight to behold. Triangular, curved, and armed with a serrated edge similar to a steak knife, they are perfectly adapted to cut into the flesh of their prey. Now, ...

As humans we need to clean our teeth regularly to prevent cavities, while animals seem to have healthy teeth without using toothbrushes or toothpaste. With humans, we need to clean our teeth regularly ...

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 ...