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President Barack Obama talks to PECASE recipients. Obama Bestows Highest Presidential Honor on Early Career Scientists and Engineers
Released January 14, 2010
Press Release
Photo of Gregory Lehn and Matt Knhosh talking with co-principal investigator Jim McClelland. Permafrost Could Be Climate's Ticking Time Bomb
Researchers conduct fieldwork to track permafrost melting in Alaska and gain insight about the release of carbon into the atmosphere
Released  August 5, 2009

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Celebrating 60 Years of Discovery
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Jul 10, 2008
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Last Updated: Jul 10, 2008