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How we do it : the evolution and future of human reproduction

著者: R D Martin
出版商: New York : Basic Books, ©2013.
版本/格式:   图书 : 英语查看所有的版本和格式
数据库:WorldCat
提要:
"Despite the widespread belief that natural is better when it comes to sex, pregnancy, and parenting, most of us have no idea what "natural" really means; the origins of our reproductive lives remain a mystery. Why are a quarter of a billion sperm cells needed to fertilize one egg? Are women really fertile for only a few days each month? How long should babies be breast-fed? In How We Do It, primatologist Robert  再读一些...
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所有的著者/提供者: R D Martin
ISBN: 9780465030156 0465030157 0465037844 9780465037841
OCLC号码: 811598818
描述: xii, 304 pages ; 25 cm
内容: Sperms and eggs --
Cycles and seasons --
From mating to conception --
Long pregnancies and difficult births --
Growing a large brain --
Feeding babies: a natural history of breast-feeding --
Baby care: the broader picture --
Monkeying with human reproduction.
责任: Robert Martin.

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Why are a quarter of a billion sperm cells needed to fertilize one human egg? Why do women, apes, and monkeys menstruate while most other mammals do not? Are women really fertile only during a few  再读一些...

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"This is one of the best books about sex, and having babies, you're likely to read...If you want to know things like why men have nipples or why it takes a quarter of a billion sperm cells to 再读一些...

 
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