Trying to keep a public men’s room clean? Sure, go ahead and put up signs urging people to pee neatly—or, better, paint a housefly on the urinal and watch the male instinct for target practice take over.
Steven D. Levitt
Trying to keep a public men’s room clean? Sure, go ahead and put up signs urging people to pee neatly—or, better, paint a housefly on the urinal and watch the male instinct for target practice take over.