Will designer brains divide humanity?

(New Scientist Science in Society May 13, 2009)

It will soon be possible to boost human brainpower with electronic "plug-ins" or even by genetic enhancement. What will this mean for the future of humanity? Would it widen the gulf between the world's haves and have-nots -- and perhaps even lead to a distinct and dominant species with unmatchable powers of intellect? It won't be long before...

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