Could you use more Brain Power?

Nature apparently thinks you can, according to two University of Chicago studies providing the first scientific evidence that the human brain is still evolving, a process that may increase people's capacity to grow smarter.

Two key brain-building genes, which underwent dramatic changes in the past that coincided with huge leaps in human intellectual development, are undergoing rapid mutations, evolution's way of selecting for new beneficial traits, Bruce Lahn and his University of Chicago colleagues reported in today's issue of the journal Science.

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Barbara C. Phillips, NP
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