So far, the evidence suggests that infectious disease is a primary cause of the global variation in human intelligence.
For more, see Global Smarts: Why Average IQ Is Higher in Some Places by , September 6, 2011 at LiveScience.
Tuesday, September 13, 2011
Mind: Why Average IQ Is Higher in Some Places
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1 comment:
And in Lake Wobegone, all the children are above average...
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