Robert Wilson (R), winner of the 1978 Nobel Prize in Physics, throws a paper airplane next to Dudley Herschbach (L), winner of the 1986 Nobel Prize in Chemistry, during the 'Fifteenth 1st Annual Ig Nobel Prize' ceremony at Harvard University in Cambridge, Massachusetts October 6, 2005. The 'Ig' Nobel Prizes are awarded each year for real scientific achievements that make people laugh and then think.