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.

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 ...

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

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

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 ...

Recent investigations into primate behaviour have underscored the importance of cultural evolution — the process by which behaviours and skills are socially transmitted and refined over successive ...

A new study from Northwestern University is reshaping how scientists think about brain evolution. The research suggests that ...

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

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry habitats and predator-rich landscapes.