2018 Winners of the Ig® Nobel Prize Announced!!

…For achievements that first make people LAUGH then make them THINK

MEDICINE PRIZE [USA] — Marc Mitchell and David Wartinger, for using roller coaster rides to try to hasten the passage of kidney stones.
REFERENCE: “Validation of a Functional Pyelocalyceal Renal Model for the Evaluation of Renal Calculi Passage While Riding a Roller Coaster,” Marc A. Mitchell, David D. Wartinger, The Journal of the American Osteopathic Association, vol. 116, October 2016, pp. 647-652.

ANTHROPOLOGY PRIZE [SWEDEN, ROMANIA, DENMARK, THE NETHERLANDS, GERMANY, UK, INDONESIA, ITALY] — Tomas Persson, Gabriela-Alina Sauciuc, and Elainie Madsen, for collecting evidence, in a zoo, that chimpanzees imitate humans about as often, and about as well, as humans imitate chimpanzees.
REFERENCE: “Spontaneous Cross-Species Imitation in Interaction Between Chimpanzees and Zoo Visitors,” Tomas Persson, Gabriela-Alina Sauciuc, and Elainie Madsen, Primates, vol. 59, no. 1, January 2018, pp 19–29.

BIOLOGY PRIZE [SWEDEN, COLOMBIA, GERMANY, FRANCE, SWITZERLAND] — Paul Becher, Sebastien Lebreton, Erika Wallin, Erik Hedenstrom, Felipe Borrero-Echeverry, Marie Bengtsson, Volker Jorger, and Peter Witzgall, for demonstrating that wine experts can reliably identify, by smell, the presence of a single fly in a glass of wine.
REFERENCE: “The Scent of the Fly,” Paul G. Becher, Sebastien Lebreton, Erika A. Wallin, Erik Hedenstrom, Felipe Borrero-Echeverry, Marie Bengtsson, Volker Jorger, and Peter Witzgall, bioRxiv, no. 20637, 2017.

CHEMISTRY PRIZE [PORTUGAL] — Paula Romão, Adília Alarcão and the late César Viana, for measuring the degree to which human saliva is a good cleaning agent for dirty surfaces.
REFERENCE: “Human Saliva as a Cleaning Agent for Dirty Surfaces,” by Paula M. S. Romão, Adília M. Alarcão and César A.N. Viana, Studies in Conservation, vol. 35, 1990, pp. 153-155.

MEDICAL EDUCATION PRIZE [JAPAN] — Akira Horiuchi, for the medical report “Colonoscopy in the Sitting Position: Lessons Learned From Self-Colonoscopy.”
REFERENCE: “Colonoscopy in the Sitting Position: Lessons Learned From Self-Colonoscopy by Using a Small-Caliber, Variable-Stiffness Colonoscope,” Akira Horiuchi and Yoshiko Nakayama, Gastrointestinal Endoscopy, vol. 63, No. 1, 2006, pp. 119-20.

LITERATURE PRIZE [AUSTRALIA, EL SALVADOR, UK] — Thea Blackler, Rafael Gomez, Vesna Popovic and M. Helen Thompson, for documenting that most people who use complicated products do not read the instruction manual.
REFERENCE: “Life Is Too Short to RTFM: How Users Relate to Documentation and Excess Features in Consumer Products,” Alethea L. Blackler, Rafael Gomez, Vesna Popovic and M. Helen Thompson, Interacting With Computers, vol. 28, no. 1, 2014, pp. 27-46.

NUTRITION PRIZE [ZIMBABWE, TANZANIA, UK] — James Cole, for calculating that the caloric intake from a human-cannibalism diet is significantly lower than the caloric intake from most other traditional meat diets.
REFERENCE: “Assessing the Calorific Significance of Episodes of Human Cannibalism in the Paleolithic,” James Cole, Scientific Reports, vol. 7, no. 44707, April 7, 2017.

PEACE PRIZE [SPAIN, COLOMBIA] — Francisco Alonso, Cristina Esteban, Andrea Serge, Maria-Luisa Ballestar, Jaime Sanmartín, Constanza Calatayud, and Beatriz Alamar, for measuring the frequency, motivation, and effects of shouting and cursing while driving an automobile.
REFERENCE: “Shouting and Cursing While Driving: Frequency, Reasons, Perceived Risk and Punishment,” Francisco Alonso, Cristina Esteban, Andrea Serge and Maria-Luisa Ballestar, Journal of Sociology and Anthropology, vol. 1, no. 12017, pp. 1-7.
REFERENCE: “La Justicia en el Tráfico: Conocimiento y Valoración de la Población Española” [“Justice in Traffic: Knowledge and Valuation of the Spanish Population”)], F. Alonso, J. Sanmartín, C. Calatayud, C. Esteban, B. Alamar, and M. L. Ballestar, Cuadernos de Reflexión Attitudes, 2005.

REPRODUCTIVE MEDICINE PRIZE [USA, JAPAN, SAUDI ARABIA, EGYPT, INDIA, BANGLADESH] — John Barry, Bruce Blank, and Michel Boileau, for using postage stamps to test whether the male sexual organ is functioning properly—as described in their study “Nocturnal Penile Tumescence Monitoring With Stamps.”
REFERENCE: “Nocturnal Penile Tumescence Monitoring With Stamps,” John M. Barry, Bruce Blank, Michael Boileau, Urology, vol. 15, 1980, pp. 171-172.

ECONOMICS PRIZE [CANADA, CHINA, SINGAPORE, USA] — Lindie Hanyu Liang, Douglas Brown, Huiwen Lian, Samuel Hanig, D. Lance Ferris, and Lisa Keeping, for investigating whether it is effective for employees to use Voodoo dolls to retaliate against abusive bosses.
REFERENCE: “Righting a Wrong: Retaliation on a Voodoo Doll Symbolizing an Abusive Supervisor Restores Justice,” Lindie Hanyu Liang, Douglas J. Brown, Huiwen Lian, Samuel Hanig, D. Lance Ferris, and Lisa M. Keeping, The Leadership Quarterly, February 2018.

As always, winners from previous years, as well as all kinds of stuff, may be found on the Improbable Research website.