Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-aspirin-was-discovered-krishna-sudhir 4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular kind of tree and ate it, their pain disappeared. Little did they know that what they’d found was destined to influence the future course of medicine. Krishna Sudhir traces the history of aspirin. Lesson by Krishna Sudhir, directed by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible. Rubaiya Binte Hussain, Eysteinn Guðnason, Bernardo Paulo, Victor E Karhel, Sydney Evans, Latora Slydell, Oyuntsengel Tseyen-Oidov, Noel Situ, Elliot Poulin, Emily Lam, Kathryn J Hammond, Alex Neal, Sid, Tracey Tobkin, Juan, Jordan Tang, Christopher Jimenez, Kent Logan, Alexandra Panzer.