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Scientific American - January 19, 2011 |
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Philadelphia Daily News - January 19, 2011 |
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WHYY-FM - January 19, 2011 |
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Chronicle of Higher Education - January 18-19, 2011 |
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KYW News Radio - January 18, 2011 |
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WHYY-FM - January 18, 2011 |
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Washington Post - January 18, 2011 |
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Scranton Times-Tribune - January 18, 2010 |
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6ABC - January 17, 2011 |
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January 17, 2011 |
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Chronicle of Higher Education - January 16-19, 2011 |
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Bucks County Courier Times - January 16, 2011 |
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6ABC - January 14-15, 2011 |
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United Press International - January 14, 2011 |
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WHYY-FM - January 14, 2011 |
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6ABC - January 14, 2011 |
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WHYY-FM - January 14, 2011 |
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Scientific American - January 13, 2011 |
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January 13, 2011 |
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January 13, 2011 |
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KYW News Radio - January 12, 2011 |
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Harrisburg Patriot-News - January 12, 2011 |
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Philadelphia Weekly - January 12, 2010 |
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Reuters - January 12, 2011 |
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Philadelphia Inquirer - January 12, 2011 |
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