Dangerous double-dipping, soap as a function of people and shower doors, editing, and exercising…
Watch out for double dippers If you see someone dipping a half-eaten chip into the guacamole at your next party, beware: “Double-dipping” can spread cold and flu viruses and other germs. Inspired by an episode of Seinfeld in which the character George Costanza is caught double-dipping, professor Paul Dawson enlisted undergraduate students to dip a … Read more