It's likely there's a magnet wherever you're looking right now. In fact, the device you're using to listen to this episode? Also uses a magnet. Which is why today, NPR science correspondent Geoff Brumfiel is taking us "back to school," explaining how magnetism works and why magnets deserve more respect.If you're secretly hoping we cover a basic science concept near and dear to your heart, spill the tea! We'd love to know and can be reached via email at shortwave@npr.org.