And then the American Irish replaced their hardware from low-IQ to high-IQ in a course of 150 years. Wait, no, looks more like a software change: http://www.city-journal.org/html/7_2_a2.html
Your link says nothing about IQ. There are many ways to stop being poor other than raising your IQ.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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