Research suggests human intelligence has declined and that people are getting dumber. A new study shows that while technology may be getting smarter, Westerners lost 14 I.Q. points on average since the Victorian Era. They point to a number of reasons, one of them being that women of high intelligence tend to have fewer children than do women of lower intelligence. They say, “This negative association between I.Q. and fertility has been demonstrated time and again in research over the …

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