Stanley Harpole, Iowa State (IMAGE) Iowa State University Caption This is Stanley Harpole, assistant professor in the Department of Ecology Evolution and Organismal Biology at Iowa State. Credit ISU photo by Bob Elbert 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.