Of course there are mental differences. Pretty much every single physical characteristic is different between groups. To think that evolutionary pressure - particularly for humans who’ve survived almost exclusively through mental abilities - would work exclusively on human’s physique is naive at best.,(reply>), @Stanislav Stoimenov don’t Australian aborigines do remarkably well in certain types of memory tests?,(reply>), @Jevvf you’re mistaken. most valid intelligence tests given by psychologists and those used in psychological research, do test math and vocabulary, and often in multiple ways. also, the pattern recognition type questions do not encompass the entirety of intelligence tests like the WAIS.,(reply>), @Donald Taylor most IQ tests don't use math or vocabulary. They use pattern recognition with shapes and objects. This is to negate any potential education that will give biased results. Google any IQ test right now. None will have math or vocab<br><br>As mentioned in this podcast 100000 times, G factor is CORRELATED with math and vocab tests such as the SAT, but knowing those subjects doesn't mean you have a high G factor. G factor is calculated based on statistical patterns in problem solving. <br><br>Concept is difficult to grasp for many people, ironically..,(reply>), Of course that there are significant and fateful differences in intelligence between racial groups. <br><br>Regardless of what the focus is -- cultural expressions, scientific developments, technological advancements, etc. -- a particular racial group of "oppressors and colonizers" is indisputably always on top. On the other hand, the natives of the African and the Australian continents invariably occupy the bottom. Demography is destiny...,(reply>), @Donald Taylor no