A large comparative study of primate teeth shows that grooves once linked to ancient human tooth-picking can form naturally, while some common modern dental problems appear uniquely human.

Introduction -- A brief history of primatology and human evolution -- The catarrhine fossil record -- Primate speciation and extinction -- Anatomical primatology -- Captive studies of non-human ...

These papers were first presented as a symposium at the annual meeting of the American Association for the Advancement of Science, Boston, Dec. 27, 1953. They were published in the Sept. 1954 issue of ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays in aiding digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

A car backfires, and your shoulders jump. A shadow moves, and your eyes fly open before your brain catches up. That dramatic ...

Same-sex behavior is widespread in primates and may help strengthen social bonds and improve survival under challenging ...

What makes the human brain different from that of other primates has long been a question. A new study suggests that the answer may be in a surprising twist of evolutionary fate: one of the brain’s ...