Are we biologically inclined to couple for life?: Scientific American | Psychology and Brain News |

"Till death do us part” is a compelling idea, but with the divorce rate exceeding 50 percent, many people would very likely agree that humans have a biological impulse to be nonmonogamous. One popular theory suggests that the brain is wired to seek out as many partners as possible, a behavior observed in nature. Chimpanzees, for instance, live in promiscuous social groups where males copulate with many females, and vice versa.

Via Sakis Koukouvis