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					Michael Yudell, a professor of public health at Drexel University in Philadelphia, said that modern genetics  research is operating in a paradox: on the one hand, race is understood to be a useful tool to illuminate human  genetic diversity, but on the other hand, race is also understood to be a poorly defined marker of that diversity. 出自-2016年12月阅读原文
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					Instead, some in Africa and Asia are seeing their first lightbulbs illuminated by the power  of sunlight stored in batteries. 出自-2016年12月阅读原文
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					And Brandston knows a thing or two about lighting, being the man who illuminated the Statue of Liberty. 出自-2015年12月阅读原文
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					Michael Yudell, a professor of public health at Drexel University in Philadelphia, said that modern genetics research is operating in a paradox: on the one hand, race is understood to be a useful tool to illuminate human genetic diversity, but on the othe 2016年12月六级真题(第一套)阅读 Section C