Science Health & Safety How Genetic Mapping Is Allowing Scientists To Track The Spread Of Coronavirus 4:51pm March 19, 2020 by Jon Hamilton Science 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 All Things Considered Arts Director Lee Isaac Chung shares the inspirations behind 'Twisters' Angry Houston residents still want answers after Hurricane Beryl power failure by Stella Chavez 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate