For more detail_http_www.sciencemag_
For more detail:
http://www.sciencemag.org/content/342/6156/316.full
http://www.sciencemag.org/content/342/6156/316.full
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+1'd by: Tom Psensky, David Moore, Kevin C., Torolf Sauermann, Doug Hackworth, Brian Cain, Marius Buliga
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