Winners of the Ig® Nobel Prize 2011

PHYSIOLOGY PRIZE: Anna Wilkinson (of the UK), Natalie Sebanz (of THE NETHERLANDS, HUNGARY, and AUSTRIA), Isabella Mandl (of AUSTRIA) and Ludwig Huber (of AUSTRIA) for their study "No Evidence of Contagious Yawning in the Red-Footed Tortoise."

REFERENCE: 'No Evidence Of Contagious Yawning in the Red-Footed Tortoise Geochelone carbonaria," Anna Wilkinson, Natalie Sebanz, Isabella Mandl, Ludwig Huber, Current Zoology, vol. 57, no. 4, 2011. pp. 477-84.

ATTENDING THE CEREMONY: Ludwig Huber

CHEMISTRY PRIZE: Makoto Imai, Naoki Urushihata, Hideki Tanemura, Yukinobu Tajima, Hideaki Goto, Koichiro Mizoguchi and Junichi Murakami of JAPAN, for determining the ideal density of airborne wasabi (pungent horseradish) to awaken sleeping people in case of a fire or other emergency, and for applying this knowledge to invent the wasabi alarm.

REFERENCE: US patent application 2010/0308995 A1. Filing date: Feb 5, 2009.

ATTENDING THE CEREMONY: Makoto Imai, Hideki Tanemura, Yukinobu Tajima, Hideaki Goto, Koichiro Mizoguchi and Junichi Murakami

MEDICINE PRIZE: Mirjam Tuk (of THE NETHERLANDS and the UK), Debra Trampe (of THE NETHERLANDS) and Luk Warlop (of BELGIUM). and jointly to Matthew Lewis, Peter Snyder and Robert Feldman (of the USA), Robert Pietrzak, David Darby, and Paul Maruff (of AUSTRALIA) for demonstrating that people make better decisions about some kinds of things — but worse decisions about other kinds of things‚ when they have a strong urge to urinate.

REFERENCE: "Inhibitory Spillover: Increased Urination Urgency Facilitates Impulse Control in Unrelated Domains," Mirjam A. Tuk, Debra Trampe and Luk Warlop, Psychological Science, vol. 22, no. 5, May 2011, pp. 627-633.

REFERENCE: "The Effect of Acute Increase in Urge to Void on Cognitive Function in Healthy Adults," Matthew S. Lewis, Peter J. Snyder, Robert H. Pietrzak, David Darby, Robert A. Feldman, Paul T. Maruff, Neurology and Urodynamics, vol. 30, no. 1, January 2011, pp. 183-7.

ATTENDING THE CEREMONY: Mirjam Tuk, Luk Warlop, Peter Snyder, Robert Feldman, David Darb

PSYCHOLOGY PRIZE: Karl Halvor Teigen of the University of Oslo, NORWAY, for trying to understand why, in everyday life, people sigh.

REFERENCE: "Is a Sigh 'Just a Sigh'? Sighs as Emotional Signals and Responses to a Difficult Task," Karl Halvor Teigen, Scandinavian Journal of Psychology, vol. 49, no. 1, 2008, pp. 49–57.

ATTENDING THE CEREMONY: Karl Halvor Teigen

LITERATURE PRIZE: John Perry of Stanford University, USA, for his Theory of Structured Procrastination, which says: To be a high achiever, always work on something important, using it as a way to avoid doing something that's even more important.

REFERENCE: "How to Procrastinate and Still Get Things Done," John Perry, Chronicle of Higher Education, February 23, 1996. Later republished elsewhere under the title "Structured Procrastination."

ATTENDING THE CEREMONY: Colleague Deborah Wilkes accepted the prize on behalf of Professor Perry.

BIOLOGY PRIZE: Darryl Gwynne (of CANADA and AUSTRALIA and the UK and the USA) and David Rentz (of AUSTRALIA and the USA) for discovering that a certain kind of beetle mates with a certain kind of Australian beer bottle

REFERENCE: "Beetles on the Bottle: Male Buprestids Mistake Stubbies for Females (Coleoptera)," D.T. Gwynne, and D.C.F. Rentz, Journal of the Australian Entomological Society, vol. 22, , no. 1, 1983, pp. 79-80

REFERENCE: "Beetles on the Bottle," D.T. Gwynne and D.C.F. Rentz, Antenna: Proceedings (A) of the Royal Entomological Society London, vol. 8, no. 3, 1984, pp. 116-7.

ATTENDING THE CEREMONY: Darryl Gwynne and David Rentz

PHYSICS PRIZE: Philippe Perrin, Cyril Perrot, Dominique Deviterne and Bruno Ragaru (of FRANCE), and Herman Kingma (of THE NETHERLANDS), for determining why discus throwers become dizzy, and why hammer throwers don't.

REFERENCE: "Dizziness in Discus Throwers is Related to Motion Sickness Generated While Spinning," Philippe Perrin, Cyril Perrot, Dominique Deviterne, Bruno Ragaru and Herman Kingma, Acta Oto-laryngologica, vol. 120, no. 3, March 2000, pp. 390–5.

ATTENDING THE CEREMONY: The winners accepted via recorded video.

MATHEMATICS PRIZE: Dorothy Martin of the USA (who predicted the world would end in 1954), Pat Robertson of the USA (who predicted the world would end in 1982), Elizabeth Clare Prophet of the USA (who predicted the world would end in 1990), Lee Jang Rim of KOREA (who predicted the world would end in 1992), Credonia Mwerinde of UGANDA (who predicted the world would end in 1999), and Harold Camping of the USA (who predicted the world would end on September 6, 1994 and later predicted that the world will end on October 21, 2011), for teaching the world to be careful when making mathematical assumptions and calculations.

PEACE PRIZE: Arturas Zuokas, the mayor of Vilnius, LITHUANIA, for demonstrating that the problem of illegally parked luxury cars can be solved by running them over with an armored tank.

REFERENCE: VIDEO and OFFICIAL CITY INFO

ATTENDING THE CEREMONY: Arturas Zuokas

PUBLIC SAFETY PRIZE: John Senders of the University of Toronto, CANADA, for conducting a series of safety experiments in which a person drives an automobile on a major highway while a visor repeatedly flaps down over his face, blinding him.

REFERENCE: "The Attentional Demand of Automobile Driving," John W. Senders, et al., Highway Research Record, vol. 195, 1967, pp. 15-33. VIDEO

ATTENDING THE CEREMONY: John Senders