Scandium and neodymium are lithium and cobalt are not. There's a lot of confusion around rare earth metals, including the fact that they're not very rare at all. So, let's break it down.[Music] Rare earth metals, sometimes called rare earth elements or just rare earths, are a group of 17 metals that are found almost everywhere, but are tremendously difficult to extract from the earth's hard rock crust. They are useful in a multitude of products, EV cars, phones, medical equipment, military equipment, camera ...