TED Radio Hour

Louisiana has two problems: an eroding coastline and limited glass recycling. Engineer Franziska Trautmann is solving both by turning bottles into beach sand.

In communist Poland, the radio gave Agnieszka Pilat's family hope. Now, as an artist and techno-optimist, she hopes her portraits of robots and machines will change minds about the future of tech.

Author Pico Iyer has traveled the world, but he finds his greatest escape in a monastery a few hours from his childhood home. He shares why he finds so much peace in silence and how you can too.

Pioneering and controversial psychologist Philip Zimbardo passed away in 2024. In this remembrance, we revisit his talk on how our sense of time plays a powerful role in shaping our outlook on life.

Cognitive neuroscientist Irena Arslanova says our brain perceives time but our body shapes how we experience it. She shares how our heartbeat influences whether we experience time moving fast or slow.

Most U.S. cities are designed for cars. But one Arizona community has been designed to be completely car-free. Urban planner Jeff Speck says all cities can build more walkability into their designs.

Social norms vary dramatically from one culture to another — but why? Psychologist Michele Gelfand unpacks why societies and individuals develop either tight or loose attitudes toward rules.

Our infrastructure is usually invisible. Not any more. Engineer Deb Chachra explains how climate change is forcing a global reimagining of neglected infrastructure systems.

Americans have been overconsuming meat for years, says food systems expert Sarah Lake. She wants to help people choose less meat and more plant-based proteins for their health and the climate.

Developing new medications can take years. But computational biologist Aviv Regev says AI-powered cell mapping is transforming the process—helping to create life-saving drugs in much less time.