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04-07-2012, 03:13 AM
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Obama Embraces National Security as Campaign Issue
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04-11-2013, 04:59 AM
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National Briefing | Science: Family Letter About DNA Is Sold at Auction
A letter sent by the biologist Francis Crick to his 12-year-old son in 1953 about his discovery of the structure of DNA was sold at auction for $5.3 million, according to Christie’s.
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