Jill Pruetz, Iowa State University (image) Iowa State University Caption Jill Pruetz, an ISU associate professor of anthropology, has been studying savanna chimpanzees at her Fongoli research site in Senegal since 2001. She'll be a guest on National Public Radio's "Talk of the Nation" show on Thursday. Credit Photo by Bob Elbert, Iowa State University News Service Usage Restrictions None 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.