This foamy snake demonstrates why blood bubbles under disinfectant

Ever cut yourself, have someone put a dab of hydrogen peroxide on the cut, watch the entire area fizz like something that would turn you into the Joker, and wonder, "How is this good for me?" A simple chemistry demonstration that you can do at home explains it all. Take a look at foam snakes. » 5/22/12 12:33pm 5/22/12 12:33pm