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From a renowned expert in the field of physiology and author of the award-winning "The Third Chimpanzee" comes a delightfully entertaining and enlightening look at the unique sex lives of humans. Why are humans one of the few species to have sex in private? Why do humans have sex any day of the day of the year--including when the female is pregnant, beyond her reproductive years, or between her fertility cycles? Why are human females the only mammals to go through menopause? Why is the human penis so unnecessarily large? Why do we differ so radically in these and other important aspects of our sexuality from our closest animals and ancestors? There is no more knowledgeable or compelling authority than Jared Diamond to answer these intriguing questions. With wit and fascinating scientific expertise, he explores the mystifying evolutionary forces that gave shape to our sexual distinctions and shows how they contributed to what it means to be uniquely human.

"Why Is Sex Fun? contains many strange and memorable tales of our sex lives and those of our relatives. It is guaranteed to keep a potential partner amused and amazed at the vagaries of what people - and animals - get up to when it comes to passing on their genes."

Steve Jones, New York Review of Books, 07/17/1997

"...Diamond's book is well-informed, clearly written and sharply focused."

Lawrence G. Proulx, Washington Post Book World, 11/09/1997

Why Is Sex Fun?: The Evolution of Human Sexuality: Search Results