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Our brains are still evolving |
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Our brains are still evolving, scientists say
Sept. 8, 2005
Courtesy University of Chicago Medical Center
and World Science staff
Human evolution, researchers say, is still under way, in what has become our most important organ: the brain.
In two papers published in the Sept. 9 issue of the research journal Science, the scientists report that two genes linked to brain size are rapidly evolving in humans.
“Our studies indicate that the trend that is the defining characteristic of human evolution – the growth of brain size and complexity – is likely still going on,” said the lead researcher for both papers, Bruce Lahn of the University of Chicago and the Howard Hughes Medical Institute in Chevy Chase, Md. |
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