Magnets are cool, and everyone has at least one. They hang our pictures on refrigerators, they hold things together, they’re used in various machinery, even the center of Earth has a type of one. Put simply, a magnet is a rock or piece of metal, called ferromagnetic metals, that have the ability to pull metals to – or repel metals away – from itself with a force called magnetism. On this episode, we examine the attraction between magnets and why certain parts of the body have more pull.