Earlier today, All Things Considered host Robert Siegel asked Anthony Carnevale, director of Georgetown University's Center on Education and the Workforce, if that number is correct.

今天早些时候，AT C栏目主持人Robert Siegel问到乔治敦大学教育和劳力中心的主管Anthony Carnevale认为那些数字是否正确。

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"Sleep may be essential for life," says Jerry Siegel, a neuroscientist at UCLA's Center for Sleep Research. "It's certainly essential for optimum brain function."

加州大学洛山矶分校睡眠研究中心神经学家杰瑞·西格尔坦言睡眠是生命不可缺少的，当然也是大脑最优运作不可缺的。

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"Granulomas are oftentimes very hard to find and not always even present at all," said Dr. Corey Siegel, a bowel disease specialist at Dartmouth-Hitchcock Medical Center.

“通常很难发现肉芽肿，有时甚至不存在，”Corey Siegel博士谈到，他是Dartmouth - Hitchcock医学中心的一位肠道病专家。

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Looking over the crowd at Siegel Center at Virginia Commonwealth University, it was clear that the Obama contingent was very strong.

NPR: Virginia Democrats Eager for Primary, Election

"The grim news about polar bears and sea ice decline is horrifying, but it is a call to action, not despair, " said Kassie Siegel of the Center for Biological Diversity.

BBC: NEWS | Science/Nature | US predicts polar bear meltdown

"This decision is a watershed event because it has forced the Bush administration to acknowledge global warming's brutal impacts, " said Kassie Siegel, climate program director at the Center for Biological Diversity.

CNN: Polar bear now listed as 'threatened' species