Presented to Viliumas Malinauskas of Grūtas, Lithuania, for creating the amusement park known as "Stalin World". Physics – Presented to David Schmidt of the University of Massachusetts, for his partial explanation of the shower-curtain effect: a shower curtain tends to billow inwards while a shower is being taken. Psychology – Presented to Lawrence W. Sherman of Miami University, Ohio, for his influential research report "An Ecological Study of Glee in Small Groups of Preschool Children". Public Health – Presented to Chittaranjan Andrade and B. S. Srihari of the National Institute of Mental Health and Neurosciences, Bangalore, India, for their probing medical discovery that nose-picking is a common activity among adolescents. Technology – Presented jointly to John Keogh of Hawthorn, Victoria, Australia, for patenting the wheel in the year 2001, and to the Australian Patent Office (IP Australia) for granting him Innovation Patent #2001100012 2002 The ceremony took place on 3 October 2002. Biology – Presented to Norma E. Bubier, Charles G.M. Paxton, Phil Bowers, and D. Charles Deeming of the United Kingdom, for their report "Courtship Behaviour of Ostriches Towards Humans Under Farming Conditions in Britain". Chemistry – Presented to Theodore Gray of Wolfram Research, in Champaign, Illinois, for gathering many elements of the periodic table, and assembling them into a four-legged version. Economics – Presented to the executives, corporate directors, and auditors of Enron, Lernout & Hauspie (Belgium), Adelphia, Bank of Commerce and Credit International (Pakistan), Cendant, CMS Energy, Duke Energy, Dynegy, Gazprom (Russia), Global Crossing, HIH Insurance (Australia), Informix, Kmart, Maxwell Communications (UK), McKessonHBOC, Merrill Lynch, Merck, Peregrine Systems, Qwest Communications, Reliant Resources, Rent-Way, Rite Aid, Sunbeam, Tyco, Waste Management, WorldCom, Xerox, and Arthur Andersen, for adapting the mathematical concept of imaginary numbers for use in the business world. (All companies except for Arthur Andersen were forced to restate their financial reports due to false or incorrect accounting. Andersen was the accounting firm most identified with the scandals, having been indicted on criminal charges stemming from its actions as auditor of Enron. All companies are U.S.-based unless otherwise noted.) Hygiene – Presented to Eduardo Segura, from Tarragona, Catalonia (Spain), for inventing a washing machine for cats and dogs, bearing the commercial name of Lavakan de Aste. Interdisciplinary Research – Presented to Karl Kruszelnicki of The University of Sydney, Australia, for performing a comprehensive survey of human belly button fluff – who gets it, when, what color, and how