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 ...

(CNN) — 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 ...

A protein that quietly suppresses tooth growth may hold the key to regrowing teeth in adults, according to a line of research that has moved from mouse models to the doorstep of human clinical trials.

Teeth help animals bite and chew food. Meat-eating carnivores tend to have sharp teeth to sink into their prey, while herbivores tend to have flatter teeth to grind down their plant-based meals. Some ...

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