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, including:

• Can genetics explain Homer's dimwittedness and Lisa's brains?

• Are shrink-rays and teleportation devices possible along the linesof Professor Frink's inventions?

• Could androids, like the one that replaced Bart in one episode,ever have consciousness?

• Do toilets in North America and Australia flush in opposite directions?

• If Earth were in peril, should we try to escape on a rocket, like Marge, Lisa, and Maggie did, and attempt to colonize Mars?

• Could we travel back in time, like Homer did, change the past, and find ourselves in a parallel reality?