How many times have you heard the expression - maybe you've used it yourself: I'm going to wash my hands of something. Could there be more to the metaphor than meets the eye? Could washing your hands have some tangible effect on your thoughts? A study out recently in the journal Science suggests that the answer is yes, that hand washing can actually change your thinking. The author of the study, Mr. Lee, suggest that the concrete act of washing might provide a basis for the more complex, abstract concepts of morality and purity.
