Book excerpt: WHAT: The Ig Nobel Prize honours individuals whose achievements in science cannot or should not be reproduced. 10 prizes are given to people who have done remarkably bizarre things in science over the previous year. WHY: The 'Igs' are intended to celebrate the unusual, honour the imaginative and shine a spotlight onto the weird corners of laboratories around the world. PAST WINNERS: Peter Fong's experiment in which he fed Prozac to clams on the basis that if they chilled out more they'd taste better. Harold Hillman's report on 'The Possible Pain Experienced during Execution by Different Methods'...