[2016-04-21 13:00:00] Much of our understanding of mental health has been developed in the last few decades. This hour, we’ll take what we’ve learned about how the mind works and revisit some of history’s most intriguing figures with science writer Claudia Kalb, author of “Andy Warhol Was a Hoarder: Inside the Minds of History’s Great Personalities” (National Geographic).

[2016-04-20 13:00:00] Every minute, hundreds of hours of video are uploaded to YouTube and millions of photographs are snapped on our smartphones. This hour, we’ll talk about how “visual activism” is driving social and political change with Nicholas Mirzoeff, professor of media culture and communication at NYU and deputy director of the International Association for Visual Culture. His new book is called “How to See the World: An Introduction to Images, from Self-Portraits to Selfies, Maps to Movies, and More” (Basic Books).

[2016-04-20 12:00:00] By 2040, it’s estimated that 9 billion people will call Earth home. And how the planet will feed all of those mouths is a concern. This hour, we’ll meet the agricultural scientists who are creating more sustainable wheat, growing meat in labs and even developing 3D printers that could one day produce food. We’ll be joined by Jayson Lusk, chair of the department of agricultural studies at Oklahoma State University and author of “Unnaturally Delicious: How Science and Technology are Serving Up Foods to Save the World” (St. Martin’s Press).

[2016-04-19 12:00:00] In December 1884, Austin became the stalking ground for one of America’s most vicious serial killers. Over the next year, “The Midnight Assassin” stalked women of all backgrounds, leading to more than a dozen arrests as police tried in vain to stop the rampage. This hour, we’ll talk about terror in the Texas capital with Texas Monthly’s Skip Hollandsworth, author of “The Midnight Assassin: Panic, Scandal, and the Hunt for America’s First Serial Killer” (Henry Holt and Co.).

[2016-04-19 13:00:00] This week, NPR is hosting a national coordinated conversation about trade. As part of that discussion, we’ll talk this hour about the impact of Toyota and other foreign companies moving to North Texas and about the state of U.S.-China trade relations with Ron Kirk. The former mayor of Dallas served as a U.S. Trade Rep in the Obama administration from 2009-2013.

[2016-04-18 13:00:00] Fifty years ago this August, Charles Whitman ascended UT-Austin’s iconic tower and unleashed a shooting spree that left 14 dead and more than 30 injured on the mall below. This hour, we’ll revisit that day and hear the stories of ordinary people who displayed extraordinary courage, the subject of the documentary “Tower.” The film screens Tuesday night at the Dallas International Film Festival, and we’ll be joined by its director, Keith Maitland, and Claire Wilson, who was struck by one of Whitman’s bullets.

[2016-04-18 12:00:00] Many poor families spend more than half of their income on rent. That means even a short period of unemployment can lead to homelessness in a hurry. As part of the KERA series One Crisis Away, this hour, we’ll talk about what it’s like to live life so close to the margin with Matthew Desmond, co-director of Harvard’s Justice and Poverty project and author of “Evicted: Poverty and Profit in the American City” (Crown).

[2016-04-14 13:00:00] Infidelity touches couples of all ages, races and orientations. But it doesn’t have to mean the end of a relationship. This hour, we’ll talk about how couples can rebuild trust and turn a crisis into an opportunity with therapist Esther Perel. She’ll conduct a workshop called “The State of Affairs: Re-thinking Infidelity,” on Friday at SMU-in-Plano.

[2016-04-14 12:00:00] The public television series “Stories of the Mind” explores depression, PTSD, anxiety and other conditions that can keep us from living our best lives. This hour, we’ll hear about everyday people who are overcoming these mental hurdles with producer Harry Lynch. “Stories of the Mind” airs Sundays at noon on KERA-TV.

[2016-04-13 12:00:00] On Sunday, the Modern Art Museum of Fort Worth will unveil a comprehensive survey of American artist Frank Stella’s work. The show is a co-production of the Whitney Museum of American Art and features 100 of his paintings, sculptures and drawings. This hour, we’ll talk with Stella and Modern chief curator Michael Auping about “Frank Stella: A Retrospective,” which is on display in Fort Worth through Sept. 18.