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

PARIS, Jan 15: Homosexual behaviour in primates has a deep evolutionary basis and is more likely to occur in species that ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

Same-sex behavior is common across the animal kingdom—more than 1,500 species are estimated to have been observed engaging in ...

More than 59 different primate species have been observed participating in some kind of same-sex behaviors, making it ...

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

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

A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

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

1. Introduction / Tracy L. Kivell, Pierre Lemelin, Brian G. Richmond, and Daniel Schmitt -- 2. On primitiveness, prehensility, and opposability of the primate hand : the contributions of Frederic Wood ...