Social environment and age (IMAGE) Arizona State University Caption An older female wild macaque. New research findings provide a rich molecular resource cataloging of age-associated molecular changes in the brain–in a model nonhuman primate living in a complex social and naturalistic environment. Credit Amanda Melin, University of Calgary Usage Restrictions None 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.