Iowa's farmland sits on more than soil — deep underground may be the makings of a clean energy economy. On this episode, we go beneath Iowa's surface to talk about a billion-year-old rock formation where geologic hydrogen is hiding. We talk with Ryan Clark, associate state geologist at the Iowa Geological Survey and Betsy Swanner, an Iowa State University professor of Earth, atmosphere and climate to find out what it would take to actually build a hydrogen economy in Iowa. Then, Iowa State University agronomist Jianming Yu shares what artificial intelligence and citizen science reveal about how plants adapt to their environments.

The Supreme Court has ruled on birthright citizenship, transgender athletes and the flow of money in politics. Today, analysis from political scientists Sara Mitchell of the University of Iowa and Dave Peterson of Iowa State University. We discuss the power balance in Washington and what these rulings mean for Iowans. We also reflect on House leadership sending lawmakers home early, the new Iowa laws going into effect and more.

Radon gas is naturally occurring, invisible, odorless, and the leading cause of lung cancer in non-smokers. Nearly three-quarters of Iowa homes have tested high, and yet most Iowans have never tested their home, and many have never heard of radon. Joined by Maria Steele, retired nurse practitioner and lung cancer survivor, Dr. Richard Deming, medical director at MercyOne Richard Deming Cancer Center, and Juliann Van Liew, Polk County Health Department Director, we look at the radon problem in Iowa. We talk about what it is, why it's so pronounced in the state, what's being done about it, and how to limit exposure.

The World Food Prize Foundation is marking four decades of honoring the scientists, farmers and policy innovators who feed our planet. On this episode, host Ben Kieffer is joined by Iowa Governor and two-time U.S. Secretary of Agriculture Tom Vilsack. Vilsack now leads the foundation. We talk about what the World Food Prize’s 40th anniversary means for communities across the state and why global food security starts with places like Iowa. We also talk about the New World screwworm, the dismantling of USAID and more.

Headlines from this week, including a Supreme Court ruling related to Roundup weed killer, a new law concerning medication abortion access and more.

Ten days, a quarter-million miles from Earth and for the first time since 1972, humans flew around the moon. On this archive episode, we hear from three Iowans who were involved in the historic Artemis II mission that was completed on April 11. Madison Tuttle of West Des Moines, Jack Sieleman of Waukee and Alex Brewer of Council Bluffs share about their love of space exploration — whether lifelong or found on the job — and what their roles were in the preparation for and execution of Artemis II. (This show was originally produced April 2026).

President Donald Trump abruptly cancelled plans to sign a bipartisan housing bill Wednesday morning, surprising Republicans and Democrats alike. Trump wrote in a social media post that he would not sign the legislation until Congress passed the Save America Act. Political scientists Rachel Caufield of Drake University and Peter Hanson of Grinnell College offer analysis of this recent about-face and rising tensions between the president and Senate Republicans. They also discuss takeaways for Iowa from Tuesday's New York primary, the U.S. Senate's vote in favor of a war powers resolution concerning Iran and more.

Dozens of rural Catholic churches in Iowa are about to lose their weekend mass. Today, we hear about the changing map of midwestern Catholicism. First, we hear from a Vinton resident who's Catholic parish has appealed to the Vatican in effort to keep weekend mass in the wake of the Archdiocese of Dubuque's final 'Journey in Faith' restructuring plan. University of Iowa professor Kristy Nabhan-Warren joins to discuss what this initiative means for churches losing eucharistic mass and how this juxtaposes a recent increase in attendance at Catholic churches in urban dioceses, including Des Moines. Then, Deacon John Robbins of the archdiocese explains the mission behind 'Journey in Faith,' and answers listeners' questions.

'Urban Mining' explores how discarded electronics and wind turbines are being turned into a domestic source of rare earth elements. We hear from the filmmaker behind the documentary and two of the Iowans at the center of this work. The film will be showing at 4 p.m., Saturday, June 27 at the Interrobang Film Festival in Des Moines.

On this Newsbuzz episode, IPR's Gavin McGough joins to discuss a new gas power plant that was approved by the Cedar Falls City Council this week, and IPR's Rachel Cramer shares how Iowa's landfills are filling up fast. Cami Koons of Iowa Capital Dispatch reports on a multistate research project that held a panel of rural Iowans Tuesday, and we hear about the U.S. losing ground in the higher education space as Iowa State University and University of Iowa continue to slip in university rankings. Humans for Racial Justice hosts their second annual Juneteenth event which tours local Underground Railroad sites in Cedar County, and IPR Studio One's Nick Brunner grooves us into the weekend.