Science Environment Why Freshwater Mussels Are Dying 5:07am December 05, 2019 by Nathan Rott Science Environment Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2019 NPR. To see more, visit https://www.npr.org. 300x250 Ad More Morning Edition Arts There's an upside to cold, snowless New England days — great skating World News Former Israeli ambassador to the U.S. discusses Israel-Hamas ceasefire by Michel Martin 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate