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Elizabeth Blackburn looks at tests in her lab in San Francisco Monday, Oct. 5, 2009. Sweden's Karolinska institute gave the 2009 Nobel Prize in medicine to Americans Elizabeth Blackburn, Carol Greider and Jack Szostak. Three Americans won the Nobel prize in medicine on Monday for discovering how chromosomes protect themselves as cells divide, work that has inspired experimental cancer therapies and may offer insights into aging. AP Photo/Paul Sakuma
12 Oct, 2009 |
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