Next time you are in a public restroom washing up, skip the electric dryer and reach for a paper towel. According to a recent study in The Journal of Applied Microbiology, wiping your hands is the best way to remove bacteria; using a dryer simply spreads the germs around. If you must go the hot-air route, don’t rub; the study found that staying still and letting the air do it’s job is best.
Source: Shape Magazine, May 2011