The Human Swarm : Basic Books : 9781549180194 : 1549180193 : 21 May 2019 : The epic story of how humans evolved from intimate chimp communities into a world-dominating species If a chimpanzee ventures into the territory of a different group, it will almost certainly be killed. But a New Yorker can fly to Los Angeles--or Borneo--with very little fear. Psychologists have done little to explain this: for years, they have held that our biology puts a hard upper limit--about 150 people--on the size of our social groups. But human societies are in fact vastly larger. How do we manage--by and large--to get along with each other? In this paradigm-shattering book, biologist Mark W. Moffett draws on findings in psychology, sociology and anthropology to explain the social adaptations that bind societies. He explores how the tension between identity and anonymity defines how societies develop, function, and fail. In the vein of Guns, Germs, and Steel and Sapiens, The Human Swarm reveals how mank