Artificial intelligence is powerful, but what about natural intelligence? This hour, TED speakers explore the intrinsic genius in animal language, insect behavior, plant anatomy and our immune system. Guests include neuroscientist Greg Gage, computational neuroscientist Frances Chance, social psychoneuroimmunologist Keely Muscatell and environmental researcher Karen Bakker.We want to dedicate this episode to Bakker who passed away in August 2023, only a few months after giving her TED Talk. Her research and legacy continue to inspire. TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at plus.npr.org/tedLearn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Original broadcast date: December 23, 2022. Our brains are magnificently complex - and highly fallible. This hour, neuroscientist and novelist Lisa Genova explains how to keep our brains healthy and what to do when something goes wrong. TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at plus.npr.org/ted.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

To move forward, the United States must confront its history of racial inequality. This hour, three perspectives on looking to the past to build a better future for Black Americans. Guests include author Joseph McGill Jr., Code Switch co-host B.A. Parker and opinion columnist Charles Blow. TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at plus.npr.org/ted.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Original broadcast date: October 1, 2021. When stress, fear or sadness weigh on us, our hearts can suffer — even break. But there are ways to mend our broken hearts. This hour, TED speakers share stories and ideas about soothing heartache. Guests include cardiologist Sandeep Jauhar, law professor Jeannie Suk Gersen, pediatric nurse Hui-wen Sato, and climate activist Knut Ivar Bjørlykhaug.TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at plus.npr.org/ted. Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

The term can refer to a double, a ghost, a shadow. But it can mean much more. From our online mirror world, to digital simulators, to the Earth's twin--TED speakers learn from the uncanny second self. Guests include author Naomi Klein, aerospace engineer Karen Willcox, planetary scientist Sarah T. Stewart and psychologist Nancy Segal.TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at plus.npr.org/ted.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Original broadcast date: April 29, 2022. From workplaces to schools to national governments, leaders everywhere are being called on to solve complex problems with humility and bravery. This hour, we consider what it takes to be a leader. Guests include executive coach Patrice Gordon, organizational psychologist Tomas Chamorro-Premuzic, former First Minister of Scotland Nicola Sturgeon, and educator Shabana Basij-Rasikh. TED Radio Hour+ subscribers now get access to bonus episodes, with more ideas from TED speakers and a behind the scenes look with our producers. A Plus subscription also lets you listen to regular episodes (like this one!) without sponsors. Sign-up at plus.npr.org/ted.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy