Does racism stem from low intelligence? It's not entirely clear, though recent research found links between bigoted thinking and low scores on I.Q tests. But a new study points to an even deeper explanation for xenophobia and intolerance.
It suggests that prejudice is programmed into our genes
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The study, published January 24 in Philosophical Transactions of the Royal Society B, suggests that racism, for example, is essentially a holdover from ancient history - when humans lived in tribes and it made sense to view outsiders with hostility and fear.
Read More http://www.huffingtonpost.com/2012/02/06/prejudice-may-have-genetic-basis_n_1258390.html?ncid=edlinkusaolp00000003
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