http://www.unz.com/jthompson/journey-of-1-1-million-miles/ http://www.unz.com/jthompson/journey-of-1-1-million-miles/ offers a short review. "The sample size a

http://www.unz.com/jthompson/journey-of-1-1-million-miles/ http://www.unz.com/jthompson/journey-of-1-1-million-miles/ offers a short review. "The sample size and the quality controls on the data will overcome doubts about the applicability of the results. That is, I assume that they will (some readers will wish to avert their eyes) and the excitement of this and similar papers will influence how we think about intelligence, education and heritability. It is part of an international effort to identify the biological causes of cognitive ability. "