This link has been bookmarked by 7 people . It was first bookmarked on 22 Jun 2009, by Andrew Murphie.
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10 Aug 09
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26 Jun 09
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en who were promiscuous back then were more evolutionarily fit, the researchers reasoned, since men who spread their seed widely left more descendants. By similar logic, evolutionary psychologists argued, women who were monogamous were fitter; by being choosy about their mates and picking only those with good genes, they could have healthier children. Men attracted to young, curvaceous babes were fitter because such women were the most fertile; mating with dumpy, barren hags is not a good way to grow a big family tree. Women attracted to high-status, wealthy males were fitter; such men could best provide for the kids, who, spared starvation, would grow up to have many children of their own. Men who neglected or even murdered their stepchildren (and killed their unfaithful wives) were fitter because they did not waste their resources on nonrelatives. And so on, to the fitness-enhancing value of rape. We in the 21st century, asserts evo psych, are operating with Stone Age minds.
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24 Jun 09
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22 Jun 09
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Back in the late Pleistocene epoch 100,000 years ago, the 2000 book contended, men who carried rape genes had a reproductive and evolutionary edge over men who did not: they sired children not only with willing mates, but also with unwilling ones, allowing them to leave more offspring (also carrying rape genes) who were similarly more likely to survive and reproduce, unto the nth generation.
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behaviors that conferred a fitness advantage during the era when modern humans were evolving are the result of hundreds of genetically based cognitive "modules" preprogrammed in the brain. Since they are genetic, these modules and the behaviors they encode are heritable—passed down to future generations—and, together, constitute a universal human nature that describes how people think, feel and act
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Hill then ran the numbers on the reproductive costs and benefits of rape. It wasn't even close: the cost exceeds the benefit by a factor of 10. "That makes the likelihood that rape is an evolved adaptation extremely low," says Hill.
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Anthropological studies such as Hill's on the Ache, shooting down the programmed-to-rape idea, have been accumulating. And brain scientists have pointed out that there is no evidence our gray matter is organized the way evo psych claims, with hundreds of specialized, preprogrammed modules.
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