Health & Safety Scientists Debate How Coronavirus Spreads, Experts Push For Mask Mandate 8:13am July 06, 2020 Health Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2020 NPR. To see more, visit https://www.npr.org. 300x250 Ad More Morning Edition World News How the U.S. helped secure the historic prisoner swap with Russia by Leila Fadel Sports Olympic Village cafeteria serves 40,000 meals a day to the world’s best athletes by Hosts 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate