The reason humans don't have penile bones
Penile bones or baculum can be dissipated in human evolution due to monogamy and short relationship time.The single primate married for fear of the child was
Research by British scientists suggests that the need to conserve children has spurred a tendency to live couples in primates.Sexual learning - discoveries 'shocking' in history
Research on sperm, eggs, sex ... has set the stage for scientists to better understand