A combination of undated handout photos of the 2013 Nobel medicine prize winners (L-R), Randy Schekman, Thomas Suedhof and James Rothman. The three U.S.-based scientists won the prize on October 7, ... more 
A combination of undated handout photos of the 2013 Nobel medicine prize winners (L-R), Randy Schekman, Thomas Suedhof and James Rothman. The three U.S.-based scientists won the prize on October 7, 2013 for their work on how hormones and enzymes are transported within and outside cells, giving insight into diseases such as diabetes and Alzheimer's. REUTERS/(L-R) Peg Skorpinski for University of California, Berkeley/Steve Fisch for Stanford University/Yale University/Handouts via Reuters less 
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Reuters | Photo By HANDOUT / Reuters
Mon, Oct 7, 2013 7:43 PM EDT