Why did Eurasians conquer, displace, or decimate Native Americans, Australians, and Africans, instead of the other way around? In this groundbreaking work, an evolutionary biologist dismantles racially-based theories and reveals the environmental factors actually responsible for history's broadest patterns. A whirlwind tour through 13,000 years of human history, beginning when Stone Age hunter-gatherers constituted the entire population. Here is a...