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

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

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

A research team led by Hiroshima University and Tokyo University of Agriculture and Technology have proposed a neuroendocrine mechanism in bony fish that signals ovulation from the ovaries to the ...

Find groups of four items that share something in common. Select four items and tap 'Submit' to check if your guess is correct. Find the groups without making 4 mistakes! Each puzzle has exactly one ...