DALLAS, TX - OCTOBER 04: Nobel Prize winner Dr. Bruce A. Beutler addresses his colleagues at University of Texas Southwestern Medical Center on October 4, 2011 in Dallas, Texas. Beutler won the 2011 ... more 
DALLAS, TX - OCTOBER 04: Nobel Prize winner Dr. Bruce A. Beutler addresses his colleagues at University of Texas Southwestern Medical Center on October 4, 2011 in Dallas, Texas. Beutler won the 2011 Nobel Prize in physiology or medicine with two other scientists for their discoveries in how the immune system works. (Photo by Tom Pennington/Getty Images) less 
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Getty Images | Photo By Tom Pennington / Getty Images
Tue, Oct 4, 2011 1:24 PM EDT