Most of this book explores the technology-driven changes that gradually transformed us into much more than just another animal species. But in order to make sense out of the strange complexities of human society and culture, we have to begin by understanding the primate baseline—the anatomy and behavior of monkeys and apes. These were the genetic starting points, the natural raw materials, out of which the unique anatomy and behavior of human beings evolved. By understanding the nature of these evolutionary building blocks, we can more fully appreciate how far we have come—and how far we have
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