Prologue* Societies developed differently around the world and at different times. * Societies developed agriculture and metal tools at different times. * As a result of this differing development, wealth and power are unevenly distributed. * Diamond doesn't believe that the traditional explanations, including biological ones, answer the question of why societies developed at different times. * He doesn't believe that intelligence differences explain the unequal power and wealth.
Chapter 1 "Up to the Starting Line"* Humans began an evolutionary path different from chimps and gorillas beginning about 7 million years ago. * For millions of years, humans were confined to Africa before they began moving to other parts of the world. * The Great Leap Forward took place about 50,000 years ago. * The Great Leap Forward occurred at the same time as the first major expansion of humans, including to Australia and New Guinea. * Humans also colonized the Americas between 14,000 and 35,000 years ago. * The...
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