The 2008 Ig Nobel Prize Winners

NUTRITION PRIZE. Massimiliano Zampini of the University of Trento, Italy and Charles Spence of Oxford University, UK, for electronically modifying the sound of a potato chip to make the person chewing the chip believe it to be crisper and fresher than it really is.
REFERENCE: "The Role of Auditory Cues in Modulating the Perceived Crispness and Staleness of Potato Chips," Massimiliano Zampini and Charles Spence, Journal of Sensory Studies, vol. 19, October 2004,  pp. 347-63.
WHO ATTENDED THE CEREMONY: Massimiliano Zampini. unable to attend the ceremony, was presented with the prize at a special ceremony, later in the month, at the Genoa Science Festival.

PEACE PRIZE. The Swiss Federal Ethics Committee on Non-Human Biotechnology (ECNH) and the citizens of Switzerland for adopting the legal principle that plants have dignity.
REFERENCE: "The Dignity of Living Beings With Regard to Plants. Moral Consideration of Plants for Their Own Sake" 
WHO ATTENDED THE CEREMONY: Urs Thurnherr, member of the committee.

ARCHAEOLOGY PRIZE. Astolfo G. Mello Araujo and José Carlos Marcelino of Universidade de São Paulo, Brazil, for measuring how the course of history, or at least the contents of an archaeological dig site, can be scrambled by the actions of a live armadillo.
REFERENCE: "The Role of Armadillos in the Movement of Archaeological Materials: An Experimental Approach," Astolfo G. Mello Araujo and José Carlos Marcelino, Geoarchaeology, vol. 18, no. 4, April 2003, pp. 433-60.

BIOLOGY PRIZE. Marie-Christine Cadiergues, Christel Joubert, and  Michel Franc of Ecole Nationale Veterinaire de Toulouse, France for discovering that the fleas that live on a dog can jump higher than the fleas that live on a cat.
REFERENCE: "A Comparison of Jump Performances of the Dog Flea, Ctenocephalides canis (Curtis, 1826) and the Cat Flea, Ctenocephalides felis felis (Bouche, 1835)," M.C. Cadiergues, C. Joubert, and M. Franc, Veterinary Parasitology, vol. 92, no. 3, October 1, 2000, pp. 239-41.
WHO ATTENDED THE CEREMONY: Marie-Christine Cadiergues and Christel Joubert, unable to attend the ceremony, were presented with the prize at a special ceremony, later in the month, at the Genoa Science Festival.

MEDICINE PRIZE. Dan Ariely of Duke University (USA), Rebecca L. Waber of MIT (USA), Baba Shiv of Stanford University (USA), and Ziv Carmon of INSEAD (Singapore) for demonstrating that high-priced fake medicine is more effective than low-priced fake medicine..
REFERENCE: "Commercial Features of Placebo and Therapeutic Efficacy," Rebecca L. Waber; Baba Shiv; Ziv Carmon; Dan Ariely, Journal of the American Medical Association, March 5, 2008; 299: 1016-1017.
WHO ATTENDED THE CEREMONY: Dan Ariely

COGNITIVE SCIENCE PRIZE. Toshiyuki Nakagaki of Hokkaido University, Japan, Hiroyasu Yamada of Nagoya, Japan, Ryo Kobayashi of Hiroshima University, Atsushi Tero of Presto JST, Akio Ishiguro of Tohoku University, and Ágotá Tóth of the University of Szeged, Hungary, for discovering that slime molds can solve puzzles.
REFERENCE: "Intelligence: Maze-Solving by an Amoeboid Organism," Toshiyuki Nakagaki, Hiroyasu Yamada, and Ágota Tóth, Nature, vol. 407, September 2000, p. 470.
WHO ATTENDED THE CEREMONY: Toshiyuki Nakagaki, Ryo Kobayashi, Atsushi Tero

ECONOMICS PRIZE. Geoffrey Miller, Joshua Tybur and Brent Jordan of the University of New Mexico, USA, for discovering that professional lap dancers earn higher tips when they are ovulating.
REFERENCE: "Ovulatory Cycle Effects on Tip Earnings by Lap Dancers: Economic Evidence for Human Estrus?" Geoffrey Miller, Joshua M. Tybur, Brent D. Jordan, Evolution and Human Behavior, vol. 28, 2007, pp. 375-81.
WHO ATTENDED THE CEREMONY: Geoffrey Miller and Brent Jordan

http://improbable.com/ig/winners