Ted Radio Hour

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.

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

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.

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.

As otters have taken up residence in Singapore, tensions are rising with their human neighbors. Biologist Philip Johns argues that with some effort, these two species can live side-by-side.

Astrophysicist Avi Loeb is on a mission to prove aliens exist. His peers say he's chasing sensationalism. He reflects on his status as an academic pariah and whether controversial ideas can coexist.

After her father's death, Laurel Braitman chased success as a way to suppress her grief. But she eventually learned that running from pain prevented her from experiencing joy.

If meditation or journaling doesn't work for you, you're not alone. Psychologist and neuroscientist Ethan Kross offers dozens of tools to help people manage their emotions more effectively.

Why do our favorite songs evoke such strong emotions? Songwriter Scarlet Keys teaches the many methods musicians use to boost a listener's mood—or break their heart.

Pierre Barreau built an AI that can write symphonies and soundtracks, but he says he's not trying to replace musicians. Instead, he hopes musicians will use these tools to expand their artistry.