University of Southern California professor Arieh Warshel speaks at a press conference after winning the Nobel chemistry prize in Los Angeles California October 9, 2013. U.S. and Israeli citizen ... more 
University of Southern California professor Arieh Warshel speaks at a press conference after winning the Nobel chemistry prize in Los Angeles California October 9, 2013. U.S. and Israeli citizen Warshel won the Nobel chemistry prize with Martin Karplus, and Michael Levitt of the U.S. on Wednesday for pioneering work on computer programs that simulate complex chemical processes that have revolutionized research in areas from drugs to solar energy. REUTERS/Lucy Nicholson (UNITED STATES - Tags: SCIENCE TECHNOLOGY HEADSHOT) less 
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Reuters | Photo By LUCY NICHOLSON / REUTERS
Wed, Oct 9, 2013 2:00 PM EDT