Ig Nobel Laureates Do Studies on Subjects That Include Gay Love Bombs and Crusty Bedmates

Why do sheets wrinkle? Can a bomb turn straight soldiers gay? Will Viagra help hamsters get over jet lag?

Those are just a few of the timely and important questions explored by winners of Thursday's 17th First Annual Ig Nobel Prizes. The awards are doled out each fall by the science-humor journal Annals of Improbable Research, whose editor, Marc A. Abrahams, often closes the ceremony with these words: "If you didn't win an Ig Nobel prize tonight -- and especially if you did --