EnvironmentWhy geologists can’t agree on when the Anthropocene Epoch began Nobody doubts that human activities have dramatically transformed Earth, so why has there been no official recognition of the Anthropocene? Features
LifeHow do captive animals really feel, and can we make them happier?We are finally figuring out the subtle ways that farm and zoo animals reveal their emotional states, from anxiety to optimism and even joy. The insights are also revealing some surprising ways we can improve their livesFeatures