Posted in News/Events, Science People who’ve had COVID-19 show promising disease-fighting cells in their blood showrunner May 20, 2020 Cookie Settings Many products featured on this site were editorially chosen. Popular Science may receive financial compensation for products purchased through this site. Copyright © 2020 Popular Science. A Bonnier Corporation Company. All rights reserved. Reproduction in whole or in part without permission is prohibited. Source Author: showrunner Related Articles The Physics of Materials at Minus 80 Degrees Celsius Courtney Love Blasts Dave Grohl, Accuses Trent Reznor of Abuse Facebook’s ‘Red Team X’ Hunts Bugs Outside the Social Network What if You Had to Cut 18 Minutes From Metallica’s Black Album?