Eww

Are cooked mussels safe ONLY if they are open? Why does alcohol make the opposite sex more attractive? Why does washing your hands ease your conscience, make it easier to live with hard decisions, and make you more tolerant? Why does lightning strike the same place twice (and more)? Do babies get more illnesses when they are "teething"? What is the science behind people spontaneously bursting into flame? And what's more hygienic - an air blower or a paper towel?