Prescribed Burns in the Prairie (VIDEO) Northwestern University This video is under embargo. Please login to access this video. Caption New research from Northwestern University and the Chicago Botanic Garden shows that fire helps prairie plants find mates, reproduce and flourish. Credit The Echinacea Project Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.