TechnologyThe biggest scientific challenges that AI is already helping to crack AI isn't just for chatbots – many companies are using it to tackle everything from protein folding and drug development to commercially viable nuclear fusion 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