Cosmoblogger

The microscope that Ralph Steinman used in the early 70's to make his discovery about dendritic cells is displayed in his lab in New York, Monday, Oct. 3, 2011. Steinman, a cell biologist, was awarded the Nobel Prize in medicine on Monday for his discoveries about the immune system, but hours later his university said that he had been dead for three days. The Nobel committee had been unaware of Canadian-born Ralph Steinman's death.

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