The advancements helped help eliminate the need for drug testing on campus . Chemists used to used balls and pins to make models of molecules . Today , computer programs show detailed depictions and predict complex chemical reactions . Americans James E. Rothman and Randy W. Schekman , and German Thomas C. Sudhof were honored for discoveries of how the body 's cells decide when and where to deliver the molecules they produce . The fame of the prize winners led to the creation of these programs .
The advancements helped help eliminate the need for drug testing on campus . Chemists used to used balls and pins to make models of molecules . Today , computer programs show detailed depictions and predict complex chemical reactions . The fame of the prize winners led to the creation of these programs .