Race and Intelligence: Is There a Link?

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DNA pioneer James Watson caused a furor recently after saying Africans were intellectually inferior to Westerners. Farai Chideya talks about why the conversation of race and intelligence persists with Phil Rushton, a professor of psychology at the University of Western Ontario.

Like Watson, Rushton says people of African descent have a lower IQ and smaller brain size, which he says is "50 percent genetic and 50 percent cultural."

Rushton is the head of the Pioneer Group, an organization dedicated to the research of intelligence and racial differences.

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