saddampbuh - happy to debate these issues in another thread, but no more here. Also, happy to bet 1 BTC that I'd win this argument with you. Would recommend you read about the Flynn effect (counters your IQ graph)  https://en.wikipedia.org/wiki/Flynn_effect#Rise_in_IQ      and the literature in general about race (eg, white sometimes do worse in school than other races http://www.publications.parliament.uk/pa/cm201415/cmselect/cmeduc/142/14202.htm ).