Jose Carlos Marcelino, for showing that armadillos can mix up the contents of an archaeological site. Biology: Marie-Christine Cadiergues, Christel Joubert, and Michel Franc, for discovering that fleas that live on dogs jump higher than fleas that live on cats. Chemistry: Sheree Umpierre, Joseph Hill, and Deborah Anderson, for discovering that Coca-Cola is an effective spermicide, and C.Y. Hong, C.C. Shieh, P. Wu, and B.N. Chiang for accidentally proving it is not. Cognitive Science: Toshiyuki Nakagaki, Hiroyasu Yamada, Ryo Kobayashi, Atsushi Tero, Akio Ishiguro, and Ágota Tóth, for discovering that slime molds can solve puzzles. Economics: Geoffrey Miller, Joshua Tybur, and Brent Jordan, for discovering that exotic dancers earn more when at peak fertility. Literature: David Sims, for his study "You Bastard: A Narrative Exploration of the Experience of Indignation within Organizations". Medicine: Rebecca Waber, Baba Shiv, Ziv Carmon, and Dan Ariely for demonstrating that expensive placebos are more effective than inexpensive placebos. Nutrition: Massimiliano Zampini and Charles Spence, for demonstrating that food tastes better when it sounds more appealing. Peace: The Swiss Federal Ethics Committee on Non-Human Biotechnology and the citizens of Switzerland, for adopting the legal principle that plants have dignity. Physics: Dorian M. Raymer and Douglas Smith, for proving that heaps of string or hair will inevitably tangle. 2009 The ceremony took place on 1 October 2009. Biology: Fumiaki Taguchi, Song Guofu, and Zhang Guanglei of Kitasato University Graduate School of Medical Sciences in Sagamihara, Japan, for demonstrating that kitchen refuse can be reduced more than 90% in mass by using bacteria extracted from the feces of giant pandas. Chemistry: Javier Morales, Miguel Apatiga, and Victor M. Castano of Universidad Nacional Autonoma de Mexico, for creating diamond film from tequila. Economics: The directors, executives, and auditors of four Icelandic banks—Kaupthing Bank, Landsbanki, Glitnir Bank, and Central Bank of Iceland—for demonstrating that tiny banks can be rapidly transformed into huge banks, and vice versa (and for demonstrating that similar things can be done to an entire national economy). Literature: Garda Síochána for writing and presenting more than 50 traffic tickets to a Polish individual, by the name of "Prawo Jazdy". Mr. "Jazdy" was widely thought to be the most frequent driving offender in Ireland, until an investigation uncovered the fact that Prawo Jazdy is the Polish term for "Driving License". Mathematics: Gideon Gono, governor of Zimbabwe's Reserve Bank, for giving people a simple, everyday way to cope with