"Oil is the blood; steel is the body; but rare earth elements are the vitamins of a modern society." While many of us can't even pronounce elements such as praseodymium, yttrium, or gadolinium, these minerals drive our technology and our modern lifestyles. These aren't your run-of-the-mill "common" Earth elements, these are the "rare" earth elements. But... they aren't actually that rare. And their importance to modern life goes well beyond their unusual geology. On this episode, professor Julie Klinger speaks with producer Miles Traer about the geo-politics of rare earth elements, why they are considered rare, and the extreme lengths to which some people are planning to go in search of them.