Biology - The University of Adelaide for "painstakingly smelling and cataloguing the peculiar odours produced by 131 different species of frogs when the frogs were feeling stressed".
Chemistry - A University of Minnesota team who set out to prove whether people can swim faster in water or sugar syrup.
Economics - A Massachusetts inventor who designed an alarm clock that runs away and hides when it goes off.
Nutrition - A Japanese researcher who photographed and analysed every meal he had consumed during a period of 34 years.
Literature - The many Nigerians who introduced millions of e-mail users to a "cast of rich characters... each of whom requires just a small amount of expense money so as to obtain access to the great wealth to which they are entitled".
Agricultural History - A study entitled The Significance of Mr Richard Buckley's Exploding Trousers: Reflections on an Aspect of Technological Change in New Zealand Dairy-Farming between the World Wars.
Fluid Dynamics - Pressures Produced When Penguins Pooh - Calculations on Avian Defaecation.