Science Bad-Mouthing Opponents Likely Spurs Them On To Win, Research Shows 8:33am October 20, 2017 by Shankar Vedantam Research News Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2017 NPR. To see more, visit http://www.npr.org/. 300x250 Ad More Morning Edition World News Russia marks 80 years since World War II victory over Nazi Germany by Leila Fadel National President Trump fires Librarian of Congress Carla Hayden 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate