The 2009 Nobel Prize in Physiology or Medicine will go to Elizabeth Blackburn, a biochemist at the University of California, San Francisco, Carol Greider, a geneticist at Johns Hopkins School of Medicine, and Jack Szostak, a geneticist at Harvard Medical School for their discovery of telomeres and telomerases, which have helped scientists understand how chromosomes are completely copied during cell division and protected against degradation. Please check back later today for full coverage of this year's award.
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