To better understand the roots of racial division in America, think about this:
The human brain seems to be wired so that it categorizes people by race in the first one-fifth of a second after seeing a face. Brain scans show that even when people are told to sort people by gender, the brain still groups people by race.
Racial bias also begins astonishingly early: Even infants often show a preference for their own racial group. In one study, 3-month-old white infants were shown photos of faces of white adults and black adults; they preferred the faces of whites. For 3-month-old black infants living in Africa, it was the reverse.
[For more of this story, written by Nicholas Kristof, go to http://www.nytimes.com/2015/05...r-biased-brains.html]
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