
Why is human sexuality so uniquely complex? Jared Diamond's scientific masterpiece explores concealed ovulation, recreational sex, and evolutionary paradoxes that shape our intimate lives. Praised by biologist Steve Jones and considered essential reading on human sexuality despite being "informative but too thin" by anthropologists.
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Most animals would be utterly baffled by human sexuality. We have sex when we're infertile, continue through pregnancy, maintain intimacy after menopause, and insist on privacy. These everyday behaviors are actually extraordinary aberrations in the natural world. While your dog mates publicly and only during fertile periods, humans have developed a relationship with sex that's as complex as our relationship with food, art, or spirituality. Consider the stark contrast: most mammal fathers contribute nothing beyond sperm. A lion doesn't recognize his cubs specifically; a wolf protects the pack but doesn't focus on his own offspring. Yet human fathers invest years-sometimes decades-in raising children, a commitment so unusual it required profound evolutionary rewiring. Female baboons advertise fertility with swollen, brightly colored buttocks; house cats release distinctive scents. Human women? No visible signals whatsoever. Menopause, which defines the second half of women's lives, barely exists in wild mammals-only certain whales share this peculiarity. Even bonobos, our closest relatives in recreational sex, lack our unique combination of concealed ovulation, strong pair bonds, and dedicated fatherhood. These aren't minor quirks-they're the evolutionary adaptations that made language, art, and civilization possible.
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Cree par des anciens de Columbia University a San Francisco
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Cree par des anciens de Columbia University a San Francisco

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