Natural canopy in Martel Forest, Indiana (IMAGE) Purdue University Caption View of a natural forest canopy at Martell Forest, 8 miles west of Purdue University’s main campus, managed by the Department of Forestry and Natural Resources and used for research and teaching. (Purdue University/Cameron Wingren) Credit Purdue University/Cameron Wingren Usage Restrictions News organizations may use this image in reports about the work of Purdue University's Brady Hardiman and his collaborators. License Original 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.