Games Primates Play, International Edition: An Undercover Investigation of the Evolution and Economics of Human Relationships

Most humans don't realize that when they exchange emails with someone, anyone, they are actually exhibiting certain unspoken rules about dominance and hierarchy. The same rules regulate the exchange of grooming behavior in rhesus macaques or chimpanzees. Interestingly, some of the major aspects of human nature have profound commonalities with our ape ancestors: the violence of war, the intensity of love, the need to live together.While we often assume that our behavior in everyday situations ref…