The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...
A growing body of research suggests same-sex behavior in nonhuman primates is important to social connections.
Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex ...
Do muscles make the man? New research reveals that body fat and BMI play a bigger role in male attractiveness than most ...