National Economy Iowa Chemist Turns Inedible Hedge Balls Into Valuable Cash Crop 8:18pm December 09, 2015 by Lindsey Moon ECONOMY Business U.S. Around the Nation Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2015 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More All Things Considered Arts 'Notes to John' completes late author Joan Didion's trilogy on grief by Scott Detrow World News The eve of Canada's consequential election by Scott Detrow 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate