Original broadcast date: January 27, 2023. Information feels more accessible than ever, but the ways we store data are surprisingly fragile. Can we save anything forever? This hour, TED speakers explore preserving our past, present and future. Guests include artist CM Ralph, digital librarian Brewster Kahle, molecular biologist Dina Zielinski and archaeologist Chris Fisher.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.

Around the world, democratic ideals are being tested in surprising ways. As the curtains rise on a big election year, TED speakers explore what can keep people united and what drives them apart. Guests include journalist and Broadway producer Jose Antonio Vargas, civil war expert Barbara Walter, and political scientist Yascha Mounk. 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

Original broadcast date: September 3, 2021. Food is one of life's greatest pleasures, yet many of our food systems are flawed. This hour, TED speakers look to the past to reconnect with what we eat, and the present to reimagine our food future. Guests include forager Alexis Nikole Nelson, chef Sean Sherman, social entrepreneur Jasmine Crowe, and environmental journalist Amanda Little.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

We often view paradise as a place of safety, beauty, tranquility. It's an ideal we long for, but one we can rarely find. This hour, TED speakers search for utopia and come to terms with reality. 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

In part six: host Manoush Zomorodi digs into the preliminary results of the listener study with Columbia University researcher Keith Diaz. He shares the surprising — and encouraging — initial findings from more than 20,000 listeners who tried to incorporate movement breaks into their day.Also on this episode, listener Dana Lopez Maile shares how the study was a "game changer" for her health. Yiliu Shen-Burke, founder of the augmented reality app SoftSpace, explains his vision of augmented reality. Finally, Manoush explores the future of screen time in a new era of artificial intelligence, and the inextricable convergence of humans and machines.Click here to find out more about the project: npr.org/bodyelectricWe'd love to hear what you thought of the Body Electric series. Go to npr.org/tedsurvey to share your feedback.

Original broadcast date: February 24, 2023. You don't need to be big and boisterous to pack a punch. This hour, TED speakers explore the surprising strength of all things minuscule and fleeting. Guests include microbiologist Anne Madden, cognitive scientist Lera Boroditsky, former educator YeYoon Kim and former industrial engineer and Zen Buddhist monk Bart Weetjens. 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