A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

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 ...

Researchers uncover evidence that the gut microbiome and brain connection can influence brain gene expression and neural ...

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

Groundbreaking research reveals that human microbes can trigger genetic brain activity in other species, suggesting our ...

Behaviour among non-human species could help keep groups together in face of social challenges, says study ...

Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

New research shows gut bacteria can directly influence how the brain develops and functions. When scientists transferred ...

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

The microorganisms in our gastrointestinal tract-the gut microbiome, can exert a profound influence on the human body, and ...