Rebecca wrinkled her brow. "You know, Ben, there's a school of anthropology that interprets all human behavior in terms of biological theories. As if we were just animals! The males are supposed to be driven by their hormones to get power over each other, and impregnate a lot of females."
"I know who you mean -- Napoleon Chagnon. He did his field work on the Yanomamo Indians in the Amazonas."