A fossil found in Georgia is helping scientists answer a big question: why do humans have such a long childhood? Compared to other primates, we take way more time to grow up. And now, ancient teeth ...

Researchers uncover how cells develop and specialize, advancing prospects for regenerative dental treatments. Researchers at Science Tokyo have identified two separate stem cell lineages responsible ...

For decades, anthropologists believed that thin grooves etched into ancient human teeth were the earliest evidence of tool use—primitive toothpicks used to clean teeth or ease gum pain. These marks, ...