>There is considerable psychometric evidence of group differences consistent with the recent neurological changes (Ashkenazi Jews average 2/3 of a std deviation above Europeans. East Asians have a group average of about 103, Europeans 100) Rushton, J.P. and Jensen, A.R. (2005). Thirty Years of Research on Race Differences in Cognitive Ability. Psychology, Public Policy, and Law, Vol. 11, No. 2, 235-294. [easily located on the web]
>There are physiological differences which show up from an early age. Rushton, J. P., & Ankney, C. D. (2009). Whole-brain size and general mental ability: A review. International Journal of Neuroscience, 119, 691-731.
>Skin color is not the only difference between races.
>There’s a 0.5% DNA difference between races and only a 2% difference in DNA between humans and chimpanzees. So a little difference in DNA is highly significant
https://archive.is/GN1y5