Full bladders, wasabi alarm earn Ig Nobels

Nobel Laureates, from left, Rich Roberts (Medicine, 2005), Roy Glauber (Physics, 2005), Dudley Herschbach (Chemistry, 1986), Lou Ignaro (Medicine, 1998), Peter Diamond (Economics, 2010) and Eric Maskin (Economics, 2007) perform in a sing-along during the 21st annual Ig Nobel Awards ceremony at Harvard University in Cambridge, Mass., Thursday, Sept. 29, 2011. (AP Photo/Michael Dwyer)