There Are Untold Sums Of Money Hiding In Your Poop
America’s collective human waste contains millions of dollars worth of energy, water, and even rare and valuable metals like gold and palladium. The question is: How do we extract it? Image Credit: Heather Lowers, USGS Denver Microbeam Laboratory At Popular Science, Mary Beth Griggs reports on the work of USGS researcher Kathleen Smith, which she…