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 earliest evidence we have of a tooth transplant comes from around 600 CE. Excavating ancient Maya sites, archaeologists have found teeth replaced with objects such as seashells and pieces of jade.

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 ...