It happens when you least expect it: you're innocently cooking a pizza while Voguing to the bumper music on NPR's Wait, Wait, Don't Tell Me when suddenly, you graze your wrist against the piping hot oven tray. Or you're chasing your dog around and your foot meets an earring laying back-up on the floor. Or an errant… » 11/08/11 3:20pm 11/08/11 3:20pm