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Mauritania Fights to End Racism

Since it gained its independence from France in 1960 Mauritania has struggled with ethnic tension between Arab and Afro-Mauritanians, but a new democratically-elected government is trying to heal the pattern of ethnic division.

Machine Offers Sight to Some Blind People

A team of eye doctors, fellow researchers, and students at MIT have produced a "seeing machine " that allows the visually challenged to view the face of a friend, access the Internet, and "previsit" unfamiliar buildings