Why is sex fun? : the evolution of human sexuality
著者
書誌事項
Why is sex fun? : the evolution of human sexuality
（Science masters series）
BasicBooks, c1997
1st ed
- : pbk
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注記
Includes bibliographical references (p. 147-149) and index
内容説明・目次
- 巻冊次
-
: pbk ISBN 9780465031269
内容説明
To us humans the sex lives of many animals seem weird. In fact, by comparison with all the other animals, we are the ones with the weird sex lives. How did that come to be?Just count our bizarre ways. We are the only social species to insist on carrying out sex privately. Stranger yet, we have sex at any time, even when the female can't be fertilized (for example, because she is already pregnant, post-menopausal, or between fertile cycles). A human female doesn't know her precise time of fertility and certainly doesn't advertise it to human males by the striking colour changes, smells, and sounds used by other female mammals.Why do we differ so radically in these and other important aspects of our sexuality from our closest ancestor, the apes? Why does the human female, virtually alone among mammals go through menopause? Why does the human male stand out as one of the few mammals to stay (often or usually) with the female he impregnates, to help raise the children that he sired? Why is the human penis so unnecessarily large?There is no one better qualified than Jared Diamond,renowned expert in the fields of physiology and evolutionary biology and award-winning author,to explain the evolutionary forces that operated on our ancestors to make us sexually different. With wit and a wealth of fascinating examples, he explains how our sexuality has been as crucial as our large brains and upright posture in our rise to human status.
目次
* The Animal with the Weirdest Sex Life * The Battle of the Sexes * Why Dont Men Breast-feed Their Babies? The Non-Evolution of Male Lactation * Wrong Time for Love: The Evolution of Recreational Sex * What Are Men Good For? The Evolution of Mens Roles * Making More by Making Less: The Evolution of Female Menopause * Truth in Advertising: The Evolution of Body Signals
- 巻冊次
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ISBN 9780465031276
内容説明
Why are humans one of the few species to have sex in private? Why are human females the only mammals to go through menopause? Why is the human penis so unnecessarily large? There is no more knowledgeable authority than the award-winning author of THE THIRD CHIMPANZEE to answer these intriguing questions. Here is a delightfully entertaining and enlightening look at the unique sex lives of humans.
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