Maize (IMAGE) U.S. National Science Foundation Caption New research says corn was domesticated from teosinte 1,500 years earlier than formerly documented. Credit Nicolle Rager Fuller, National Science Foundation 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.