a wide range of numbers by having his bank print notes with denominations ranging from one cent to one hundred trillion dollars. Medicine: Donald L. Unger of Thousand Oaks, California, US, for investigating a possible cause of arthritis of the fingers, by diligently cracking the knuckles of his left hand but not his right hand every day for 50 years. Peace: Stephan Bolliger, Steffen Ross, Lars Oesterhelweg, Michael Thali, and Beat Kneubuehl of the University of Bern, Switzerland, for determining whether it is better to be hit on the head with a full bottle of beer or with an empty bottle. Physics: Katherine K. Whitcome of the University of Cincinnati, Daniel E. Lieberman of Harvard University, and Liza J. Shapiro of the University of Texas at Austin, all in the US, for analytically determining why pregnant women do not tip over. Public Health: Elena N. Bodnar, Raphael C. Lee, and Sandra Marijan of Chicago, US, for inventing a bra that can be quickly converted into a pair of face masks—one for the wearer and one to be given to a needy bystander. Veterinary medicine: Catherine Douglas and Peter Rowlinson of Newcastle University, UK, for showing that cows with names give more milk than cows that are nameless. 2010 The ceremony took place on 30 September 2010. Biology: Libiao Zhang, Min Tan, Guangjian Zhu, Jianping Ye, Tiyu Hong, Shanyi Zhou, and Shuyi Zhang of China, and Gareth Jones of the University of Bristol, UK, for scientifically documenting fellatio in fruit bats. Chemistry: Eric Adams, Scott Socolofsky, Stephen Masutani and BP, for disproving the old belief that oil and water don't mix. Economics: The executives and directors of Goldman Sachs, AIG, Lehman Brothers, Bear Stearns, Merrill Lynch, and Magnetar Capital for creating and promoting new ways to invest money—ways that maximize financial gain and minimize financial risk for the world economy, or for a portion thereof. Engineering: Karina Acevedo-Whitehouse and Agnes Rocha-Gosselin of the Zoological Society of London, UK, and Diane Gendron of Instituto Politecnico Nacional, Baja California Sur, Mexico, for perfecting a method to collect whale snot, using a remote-control helicopter. Management: Alessandro Pluchino, Andrea Rapisarda, and Cesare Garofalo of the University of Catania, Italy, for demonstrating mathematically that organizations would become more efficient if they promoted people at random. Medicine: Simon Rietveld of the University of Amsterdam, The Netherlands, and Ilja van Beest of Tilburg University, The Netherlands, for discovering