Some poor beleaguered souls working at a 7-Eleven in Oregon were just trying to serve up some Big Gulps and hot dogs when their microwave suddenly exploded. They called the cops, and when the proper authorities checked out the situation, they didn’t find a bomb. Instead, they say it contained a urine sample.
Source: Gizmodo – Customer Microwaves Urine at 7-Eleven, Microwave Explodes