Erin Vogel, Rutgers University (IMAGE) Rutgers University Caption Rutgers Evolutionary Anthropologist Erin Vogel led five year study on protein deprivation of endangered orangutans Credit Rutgers Usage Restrictions Permission is granted to reproduce the image in connection with news coverage of this story. All other rights are reserved. 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.