weckyy
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作者：Anonymous 在 罕见奇谈 发贴, 来自 http://www.hjclub.org
For millions of years, our ancestors lived in groups segregated according to sex. They met the opposite sex only once a year for a brief period of time solely for the purpose of reproduction. In fact, they had an annual mating season for millions of years.
Under such circumstances, our male ancestors faced great difficulty in predicting the oncoming mating season, or the estrus of their female mates every year. It was an arduous challenge, but they overcame it ingeniously by developing various kinds of time-measuring devices, which made them increasingly intelligent over time. Two examples of such devices, the domestic dog and the extinct cave bear, are presented here.
Man had established a special relationship with dogs and bears on his own initiative because he desperately needed their help to solve his sexual problem.
作者：Anonymous 在 罕见奇谈 发贴, 来自 http://www.hjclub.org |
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some even think human ancestors mated like dogs
