Test-tube baby pioneer Robert Edwards of Britain has won the 2010 Nobel Prize in medicine

Test-tube baby pioneer Edwards wins medicine Nobel

Nirenberg, Nobel Prize-winning scientist who figured out key part of genetic code, dies at 82

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3 Americans win Nobel medicine prize for finding mechanism that protects chromosomes

3 Americans share Nobel medicine prize

NEW YORK — 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.

Excerpts: citation for 2009 Nobel Prize in physiology or medicine

Excerpts from 2009 Nobel medicine prize

Excerpts from the citation awarding the 2009 Nobel Prize in physiology or medicine to awarded to Americans Elizabeth Blackburn, Carol Greider and Jack Szostak. The Karolinska Institute says the trio was honored for research that has implications for cancer and aging research.

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