Is the universe shaped like a donut? Homer proposed such a theory. Do three-eyed fish swim near nuclear power plants? Bart managed to catch one. Are perpetual-motion machines suitable for school projects? Lisa constructed a working model. The Simpsons®, the world's most popular and longest-running animated series, is a treasure-trove of scientific ideas and a clever mixture of fact and fancy. Now there's a guide to the science behind the show. In What's Science Ever Done for Us? you'll find answers to an amazing array of scientific questions raised in 26 classic episodes.