Obi Felten used to launch projects for X, Google’s innovation lab, but she’s now tackling mental health. She explains why Steve’s dream job was soul-destroying for her, and how peer support could transform the therapeutic industry.

Artist Wendy MacNaughton knows the difficulty of sitting in silence and the power of having fun. She explains to Steve the lessons she’s gleaned from drawing hospice residents, working in Rwanda, and reporting from Guantanamo Bay.

Sal Khan returns to discuss his innovative online high school’s first year — and Steve grills a member of the school’s class of 2026 about what it’s really like.

The creator of "The Wire", "The Deuce", and other shows is leading the Writers Guild on the picket lines. He and Steve break down the economics of TV writing, how A.I. could change television, and why he’s taking a stand even though he’s at the top of the game.

In the newest show from the Freakonomics Radio Network, host Zachary Crockett explores the hidden side of the things around us. This week: How do dinosaur bones emerge from the Upper Cretaceous period to end up in natural-history museums and private collections? 

Robert Solow is 98 years old and a giant among economists. He tells Steve about cracking German codes in World War II, why it’s so hard to reduce inequality, and how his field lost its way. 

Talithia Williams thinks you should rigorously track your body's data. She and Steve Levitt trade birth stories and bemoan the state of STEM education.

Kevin Kelly believes A.I. will create more problems for humanity — and help us solve them. He talks to Steve about embracing complexity, staying enthusiastic, and taking the 10,000-year view. 

Clementine Jacoby went from performing in a circus to founding a nonprofit that works to shrink the prison population. 

Steve is on a mission to reform math education, and Sarah Hart is ready to join the cause. In her return visit to the show, Sarah explains how patterns are everywhere, constraints make us more creative, and literature is surprisingly mathematical.