Full bladders, wasabi alarm earn Ig Nobels

John Senders holds his Ig Nobel prize in public safety as a video showing his research plays behind him during the 21st annual Ig Nobel Awards ceremony at Harvard University in Cambridge, Mass., Thursday, Sept. 29, 2011. Senders won for his experiments in which a driver on a major highway repeatedly has a visor flapped down over his face. (AP Photo/Michael Dwyer)