A hundred thousand years ago, Homo sapiens was one of at least six human species that lived on this planet, an unremarkable animal that played no more of a role in the ecosystem than gorillas, fireflies, or jellyfish. But about seventy thousand years ago, a mysterious change in Homo sapiens' cognitive abilities transformed him into a master of the planet and a nightmare of an ecosystem...
How did Homo sapiens manage to conquer the world? What became of the other human species? When and why did money, states, and religion appear? How did empires rise and fall? Why did almost all societies place women below men? How did science and capitalism become the dominant creeds of the modern era? Have ...