In other posts, the results without the narrative of the politically correct. Here the typical talking points. Negroes persecuted by reality, not their fault, brain size irrelevant, brain structure too, frontal lobe of the cerebral cortex? Why mention it. The article discusses discussions of the relationship between race and intelligence, noting the variability in IQ test scores between racial groups. It emphasizes that differences in intelligence are more the result of environmental factors than genetic ones. Pseudoscientific theories about differences in intelligence between races have been used to justify racism and eugenics.