Ig Nobel Ig Nobel

Matthew Rockloff and Nancy Greer give their acceptance speech after winning the Ig Nobel Economics Prize during ceremonies at Harvard University in Cambridge, Mass., on Thursday. The pair won for their experiments to see how contact with a live crocodile affects a person's willingness to gamble. Michael Dwyer/AP hide caption

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Michael Dwyer/AP

Thomas Thwaites, in his goat suit, prepares to speak after receiving the Ig Nobel prize in biology from Nobel laureate Eric Maskin (economics, 2007) during ceremonies at Harvard University on Thursday. Michael Dwyer/AP hide caption

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Michael Dwyer/AP

While wearing a toilet seat on his head, David Hu accepts the Physics Prize, for his research on the principle that mammals empty their bladders of urine in about 21 seconds, from Dudley Herschbach, right, the 1986 Nobel Laureate in Chemistry, while being honored during a performance at the Ig Nobel Prize ceremony at Harvard University, in Cambridge, Mass., on Thursday. Charles Krupa/AP hide caption

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Charles Krupa/AP