Archive for February 3, 2009
Cultural vs Natural Selection, Part 2
Fifteen years later, researchers returned to Manupur and were astonished to find that women were using contraceptives to achieve substantial reductions in birth rates and that the number of sons desired per couple had fallen considerably. The underlying reason for the shift was that after the first study, the villagers became involved in a number [...]
Posted on February 3, 2009 at 11:05 pm by Charles · Permalink
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In: Insulin, Populations
In: Insulin, Populations
