Wash up after slicing those limes
                                
                                
                                    (Newser) -
                                    Maybe bartenders deserve hazard pay—especially if they're mixing margaritas in the sun. After all, those are the perfect conditions for a case of phytophotodermatitis—a nasty chemical burn, according to the  Atlantic , that can result from a combination of lime juice on the skin and sun exposure. Colloquial...