<

The Strange Second Life of America's Only Rare Earth Mine

Rare earth elements are hard-to-find metals that we need for batteries, solar cells and electronics. These days, they’re mostly mined and processed in China. But it wasn’t always so. The history of rare earth elements is surprising, and some of it even takes place in America’s backyard. In fact, there is still a rare… » 5/05/15 2:00pm 5/05/15 2:00pm