Are humans monogamous by nature? What does body-size dimorphism tell us about human sexuality? In their book Sex at Dawn, authors Ryan and Jethá say that the small body size difference between men and women means that humans are meant to be polygamous. However, there are other interpretations of this data. Keep reading to learn what body-size dimorphism between males and females tell us about human sexuality.
Are Humans a Monogamous Species?










