https://www.youtube.com/watch?v=kc8l1Bn0yC4 West Virginia University: Paul Ziemkiewicz has been working to clean up streams for decades, but the discovery that acid mine drainage or AMD, holds the elements used in electronics has made that effort not only noble, but potentially profitable. The most valuable — neodymium, praseodymium, terbium and dysprosium — that make high-performance magnets and…