Dive into the behavior and physiology of two different primate species that are helping biologists explore the science of stress, aging, and immunity. Dr. Biology sits down with scientist Noah Snyder-Mackler from Arizona State University to talk about some rhesus macaques living in a seemly tropical paradise and the geladas that live high in the Ethiopian mountains. Discover how these monkeys, their experiences, and their environment might illuminate the path to improving our physiological resilience. Hear more about stress: Stressed Out | podcast Read about stress: Why can some monkeys live high in the mountains? Watch: 60 Minutes story on Monkey Island If you have not already, subscribe to the podcast so you can be notified about new episodes.