Chimpanzee Pointing (image) Max Planck Institute for Evolutionary Anthropology Share Print E-Mail Caption The chimpanzees first watched how pieces of food were hidden in these boxes. They could then start to search for the food items by pointing at these boxes one by one. Credit MPI f. Evolutionary Anthropology Usage Restrictions The image may only be used with appropriate caption and credit. Share Print E-Mail 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.