> I don't see any investigation of whether IQ can be altered through nurture (which I think it can). Nurture accounts for 20-43% of the differences in adult IQ

> I don't see any investigation of whether IQ can be altered through nurture (which I think it can). Nurture accounts for 20-43% of the differences in adult IQ scores: "Twin studies of adult individuals have found a heritability of IQ between 57% and 73% with the most recent studies showing heritability for IQ as high as 80%." https://en.wikipedia.org/wiki/Heritability_of_IQ https://en.wikipedia.org/wiki/Heritability_of_IQ