River to River

A conversation with 2026 World Food Prize Laureate Huub Lelieveld. Lelieveld is a Dutch food scientist who was awarded the World Food Prize for helping prevent millions of cases of foodborne illness. He has been recognized for marshaling a movement across 113 countries to deliver the scientific evidence for modern food safety regulations, legislation and standards that safeguard the world’s food supply.

On today's episode, a conversation with Rep. Ashley Hinson, Republican candidate for U.S. Senate, one of the most competitive Senate races in the country. But first, we talk with Harvest Academy’s Derek Johnson about the legacy of Walter Lauridsen Jr., who died Oct. 15 after being struck by a vehicle. Lauridsen was the brother-in-law of auditor and gubernatorial candidate Rob Sand. He is being remembered for his work helping those experiencing homelessness or substance abuse at Harvest Academy. Later in the hour, the University of Iowa has opened the state’s first Exercise Oncology Clinic. We explore the science of e...

Eight states, including Iowa, are suing OpenAI. On this Newsbuzz episode, we talk with William Morris of the 'Des Moines Register' about that lawsuit. IPR's Tom Barton joins us to discuss Trump's plans for Iowa rallies before the midterms. We also talk with IPR's Eliza Billingham about an Iowa City woman who was deported to a country she’s never lived in. We talk with Courtney Crowder of the 'Des Moines Register' about the questions facing a long time Des Moines radio station. And we meet Hidayat Nodin, writer in residence from Singapore, who takes us to a world where li...

Republicans and Democrats aren't the only choices on Iowa ballots. On this episode, we check in with third party and independent candidates. We talk with Libertarian candidate for U.S. Senate Thomas Laehn as well as three U.S. House candidates — Libertarian Rick Stewart and independent Dave Bushaw in the 2nd District, and independent Michael Bridgford in the 1st District. We discuss what it means to be running for office against the two-party system and many of the top issues on voters' minds.

Twenty days before Election Day, campaigns are making their closing arguments. On this Politics Day episode, we get analysis from Jonathan Hassid of Iowa State University and Wayne Moyer of Grinnell College.

On this episode, we discuss religious freedom ahead of the Iowa Religious Freedom Day symposium at Iowa State University. The symposium will explore religious freedom through the lens of constitutional law.

As early voting begins this week for the November midterm election, we continue our candidate interviews with State Rep. Lindsay James, Democratic candidate for Iowa’s 2nd Congressional District. James is facing Republican candidate Joe Mitchell for the open House seat. But first, what would a world without cows look like? We talk with journalists and filmmakers Michelle Michael and Brandon Whitworth. They spent five years and traveled to more than 40 locations for their documentary, 'World Without Cows.' The film explores the complex relationship between food and sustainability through the perspectives of farmers, scientists and environmental experts.

On this Newsbuzz episode, we talk with Brianne Pfannenstiel of the 'Des Moines Register' about the midterms as the start of early voting is days away. We also learn about the price Iowa is paying for a $15 billion steel mill, discuss what people can and can't do about data centers, and hear about why families of Iowa soldiers killed in a drone strike are seeking answers.

On this episode, a conversation with the Republican nominee for Iowa's 2nd Congressional District Joe Mitchell. Mitchell is facing Democratic candidate Lindsay James in the general election. We discuss affordability, the war in Iran, the trade war, how to restore faith in Congress along with other issues. But first, should it take a legislative supermajority to raise your taxes? This November, Iowans will decide whether it should take two-thirds of the legislature — not a simple majority — to raise the state income tax. We explore that proposal with political scientist Karen Kedrowski and hear from an advocate and an opponent of the...

Election Day is less than a month away, and early voting starts in just a week. On this Politics Day episode, we get analysis from political scientists Megan Goldberg of Cornell College and Evan Renfro of the University of Northern Iowa. They discuss the recent debate between gubernatorial candidates Zach Lahn and Rob Sand, the Iran War, the Supreme Court's new term and more.

On this episode, the science of menopause and the aging brain. Women are more vulnerable to strokes, yet they're historically underreported and underdiagnosed. On this episode, the science of menopause and the aging brain. First, University of Iowa neurologist Dr. Hannah Roeder shares how stroke risk in women nearly doubles in the decade after menopause, and the gender disparities of stroke cases, response and recovery. Then, we learn about a new study to examine whether the menopause transition quietly accelerates brain and blood vessel aging, potentially helping explain why women face higher risks of stroke and Alzheimer's disease. Finally, University...

A conversation with best-selling author Mary Roach. Her latest book, 'Replaceable You: Adventures in Human Anatomy,' is part medical history, part investigative travelogue, part unflinching look at how far we'll go to keep the body running. We discuss the science of rebuilding the human body from 16th-century prosthetic noses to gene-edited pig hearts to hair follicles grown from stem cells.

Iowa lawmakers are back at the Capitol for one reason: a $15 billion steel mill, and what Iowa will pay to land it. On this Newsbuzz episode, IPR's Grant Gerlock on the special session over that steel plant. We also hear from Rachel Fey and Megan Kavanaugh about new maps that show how hard it is to get affordable birth control in Iowa. Then, we talk with Republican Rep. Mariannette Miller-Meeks. She represents Iowa's 1st Congressional District, and is running for reelection against Democrat Christina Bohannan. We also discuss a relay carrying a copy of the Declaration of Independence throughout Iowa...

Nearly 360 Iowa farms and food businesses carry the Choose Iowa label. Does buying local make a difference? On this episode, we discuss the Choose Iowa Program, the state's buy-local brand. First, we hear from Choose Iowa Program director Beth Romer. We also hear from Chris Deal, co-manager of Deal's Orchard, and Laura Cunningham, founder and owner of Skyview Beef, a dairy barn turned market for dozens of local farmers near Nora Springs. Then, we talk with Shelly Greving, a marketer mapping Iowa's back-road gems, and Andrew and Marissa Waldo, owners of Goose Hill Farm, which grows heritage wheat and other...

President Donald Trump said it will be the biggest steel plant in American history — and its home will be Iowa. On this Politics Day episode, we talk with political scientists Peter Hanson of Grinnell College and Jim McCormick of Iowa State University. We get their view on the new steel mill proposed in eastern Iowa, what the latest polls say about Iowa's toss-up races, Iowa Republicans breaking with Trump over the Iran war and more.

On this episode, a conversation with the Democratic candidate for U.S. Senate, state Rep. Josh Turek. The contest with Republican nominee Rep. Ashley Hinson is one of the most competitive Senate races in the country. Turek discusses fuel prices and the war in Iran, farm policy, healthcare and his record in the Iowa House. Then, we’ll hear about a new survey of rural voters from Liz Hamel of KFF, a healthcare policy nonprofit. We discuss rural voters' views of health care issues and how it may impact midterms.

Author and conflict facilitator Priya Parker believes most people aren't over-fighting, they're under-fighting. On this episode, Parker joins us to explore how unhealthy peace can fracture families. Her new book is titled 'The Art of Fighting: The Transformative Power of Conflict.' The story opens at her grandfather's funeral in Waterloo, where the minister's highest praise for a 50-year marriage was that the couple never once quarreled.

All but two of the University of Iowa’s Center for Intellectual Freedom advisory council members resigned this week. On this episode, we find out why from 'Gazette' reporter Vanessa Miller. Then, we talk with Robin Opsahl of the Iowa Capitol Dispatch about President Trump's lawsuit over the Iowa Poll. A court orders the state to reopen its historical research center in Iowa City. We hear from IPR's Maura Curran about this decision. We also talk with Mark Licht of Iowa State University about what a soggy September means for harvest. Then, we meet Wame Molefhe, a writer in residence fr...

More than 10,000 Iowans are living with Parkinson's disease — and one state senator believes a common weed killer may be part of the story. On this episode, we talk with state Sen. Art Staed, D-Cedar Rapids, who was diagnosed with Parkinson's disease in 2024. He's been pushing to ban paraquat, a widely used herbicide tied to higher Parkinson's risk. Luke Nozicka of The Midwest Newsroom joins us to discuss his reporting on the debate over banning paraquat, and we hear from Iowan Nate Peterson who believes his own diagnosis traces back to paraquat exposure. Peterson was diagnosed with Parkinson's at age 34. Later, a...

On this Politics Day episode, we hear from political scientists Sara Mitchell of the University of Iowa and Dave Peterson of Iowa State. We discuss Vice President JD Vance's visit to Council Bluffs, Trump's address to the UN, the White House banning three news organizations from official events and more.

Iowa will select its new governor in a few weeks. Where do candidates stand on some of the top issues on voters' minds? On this episode, host Ben Kieffer interviews both major-party nominees for governor — Republican Zach Lahn and Democrat Rob Sand. We get their views on the state’s poor water quality, Iowa's climbing cancer rates and education funding among other issues. Lahn and Sand are competing for the seat currently held by Gov. Kim Reynolds.

Dementia can feel like something every family faces alone — but it doesn't have to be that way. On this episode, we talk with Shelby Roberts of the Alzheimer's Association, Dr. Yogesh Shah of Broadlawns Memory Clinic and Iowa's state medical director, Dr. Robert Kruse, about brain health and innovative approaches to early identification, prevention and care for Iowans living with dementia. Then, a conversation with 3rd Congressional District candidate, State Sen. Sarah Trone Garriott, D-Des Moines.

Data centers are driving up Iowa's power demand. On this Newsbuzz episode, whether to build more wind and solar or invest in new gas and coal plants. First, we talk with Jason Clayworth of Axios Des Moines about how Iowa's new 2% property tax growth cap is forcing cities to weigh cuts to police and fire budgets, and Iowa's state climatologist Justin Glisan joins us with an update on September's record precipitation. We talk with higher education reporter Vanessa Miller about a new $5 million investment to speed up cancer treatments, and Emma Stapleton Thornell shares how this year's Iowa Climate Statement...

He spent decades building the modern Republican Party, but has since left the party behind. On this episode, a conversation Bill Kristol at Hancher Auditorium in Iowa City. Kristol has been a fixture of conservative politics for 40 years — chief of staff to Vice President Dan Quayle, founder of 'The Weekly Standard.' He's now editor-at-large of The Bulwark,'= a media outlet and podcast network he helped build as a landing spot for Republicans who've separated from President Donald Trump. We discuss his work defending America’s liberal democratic principles, the future of American conservatism and more.

President Donald Trump said AI's biggest safety warnings are a conspiracy — even as Iowa towns pass moratoriums on the data centers powering it. On this Politics Day episode, we explore the president's clash with his own tech allies over AI safety. Political scientists Jonathan Hassid of Iowa State University and Wayne Moyer of Grinnell College join us with their analysis. We also discuss the latest election polls and Iowa's Senate and Governor races, SCOTUS blocking Trump's mail-in voting rule and more.

Our nation is 250 years old — but 250 years ago, Iowa was a world apart. On this episode, an ecologist takes us back to a yesteryear’s landscape of endless tallgrass prairie, bison, elk and whooping cranes, and explains why Iowa is now the most ecologically altered state in the nation. A historian discusses the Indigenous nations living here in 1776 and why the American Revolution mattered enormously to people who may not have even known it was happening. And the tribal historic preservation officer of the Meskwaki Nation joins the program to discuss on her people's presence in Iowa. (This episode was orig...

More than seven million Americans are living with Alzheimer’s disease. On this episode, a look at what the disease feels like from the inside. Volker is a retired professor and former president of the American Family Therapy Academy who spent decades building couple and family therapy programs at the University of Iowa and Purdue University. He was diagnosed with Alzheimer’s in 2025, though symptoms first appeared in 2022. Edie, his wife, joins the conversation as his primary caregiver. (This show was originally produced Nov. 24, 2026.)

A quarter of a century later, we're still living with the world September 11th made. On the 25th anniversary of the attacks, we talk with Tom Vilsack, who was Iowa’s governor during the deadliest terrorist attacks in U.S. history. He remembers where he was and how he chose to respond. Then, we talk with Mark Listes of Pendulum Intelligence on the AI-fueled disinformation war reshaping elections and public trust, and what it means for us ahead of the midterms. We also meet Amber Essau, an International Writing Program resident from New Zealand. Then, Studio One's Cece Mitchell grooves us...

On this episode, highlights from a wide-ranging conversation with David Axelrod at Hancher Auditorium in Iowa City earlier this year. Axelrod has been one of the most influential voices in American politics for four decades — he helped build the Obama coalition, he has watched the Democratic Party lose its way with working people, and he's not pulling punches about what comes next. This event, recorded live on April 28, 2026, was part of the Levitt Lecture series presented by Hancher Auditorium and the University of Iowa College of Law. (This episode was originally produced on April 30, 2026)

Canada retaliates with new tariffs — and Iowa is named a deliberate target. On this Politics Day episode, we get analysis from political scientists Jim McCormick and Kelly Shaw of Iowa State University. With just over 50 days until the election, we look at how the trade war is shaping our state's most competitive races. Republicans hold their first-ever midterm convention starting Wednesday in Dallas — and some Iowa Republicans are staying home. We also discuss a new rule on mail-in voting heading to the Supreme Court for the third time and more.

On this episode, we talk with Iowa native and retired Green Beret John Paluska. He recounts the day he watched from his dorm roof in New York City as the second tower collapsed, his days of working at Ground Zero, his military career it inspired and the years-long effort to bring his Afghan Special Forces counterpart to safety. Then, University of Iowa historian Colin Gordon joins us to look at how 9/11 reshaped domestic spending and priorities over the last 25 years.

Kratom is often found at gas stations and convenience stores and is marketed as a natural supplement for pain and anxiety. Gov. Kim Reynolds is calling for a total ban of the product and other synthetic varieties, alleging dozens of kratom-related deaths in Iowa since 2024. On this Newsbuzz edition of River to River, Ben Kieffer speaks with the 'Iowa Capital Dispatch's' Clark Kauffman about this call to ban kratom. Also, the 'Des Moines Register's' Brianne Pfannenstiel shares how candidates are approaching water quality this session, a registered nurse who found a side hustle fighting poison ivy and columnist Rekha Basu...

Afghan soldiers stood beside American troops for 20 years. Now, five years after the evacuation, many still don't know if they'll be allowed to stay. On this episode, we take stock of what's happened since roughly one thousand Afghans resettled in Iowa. We talk with Fatima Saidi, national director of We Are All America and Robyn Barnard of Human Rights First. We also discuss what today's shifting immigration rules mean for Afghans still in limbo. Then, we talk with Cate Dicharry, the new director of the University of Iowa's International Writing Program. It’s been a year and a half since fe...

Canada is due to hit back in the trade war— and Iowa's farmers and manufacturers will feel it directly. On this Politics Day episode, analysis from political scientists Donna Hoffman of the University of Northern Iowa and Wayne Moyer of Grinnell College. We also get their views on escalating tension between the U.S. and Iran, Iowa's Senate and governor's races and more.

The midterm elections are ramping up. We launch our candidate series with Dave Dawson, the Democrat running in Iowa’s 4th District. Dawson is running against Siouxland Chamber of Commerce president Chris McGowan, a seat currently held by Rep. Randy Feenstra. We talk with him about running as a Democrat in a red district. But first, we revisit a conversation with an astrophysicist who discusses new research on white dwarf stars 200 light-years away and learn about scientists at the University of Iowa working on a virtual lunar landscape complete with low gravity and lunar dirt. (Portions of the episode were or...

Iowa is caught in the middle of an escalating trade war between the U.S. and Canada. On this Newsbuzz edition, we talk about what that means for Iowa’s economy, and your wallet. First, we learn about Iowa's new property tax law, then discuss the economic impacts the trade war will have in Iowa. We also discuss the two Iowa clergy members are running for Congress, visa rules on Iowa college campuses and we hear about the Dolly Parton Imagination Library early literacy skill building program in Iowa. Then, we groove into the weekend.

This November, Iowans will decide whether it should take two-thirds of the legislature — not a simple majority — to raise the state income tax. Guests explain what yes and no votes really mean. Then we meet an Iowa teenager who is building an award-winning, low-cost prosthetic hand.

Canada is Iowa's number one export market — and the trade war with our biggest customer just escalated. Political scientists Evan Renfro of UNI and Karen Kedrowski of ISU offer analysis on these tariffs, the new sanctions campaign against Iran, Iowa's toss-up Senate race, the Supreme Court's ruling on mail-in voting and more.

Companies are voluntarily phasing out the use of so called 'forever chemicals,' or PFAS, used in food packaging. On this episode, experts discuss what the phase out will look like and what consumers need to know. Host Ben Kieffer is joined by Lydia Jahl from the Green Science Policy Institute in Berkley. Later in the hour, Mark Early, Keith Vorst, and Katie Updegraff of the Polymer and Food Protection Consortium at Iowa State University also join the program. (This episode was originally produced Aug. 5, 2024.)

On this episode, we talk with both of Iowa's major political party chairs. First, Iowa Democratic Party chair Rita Hart, then Iowa Republican Party chair Jeff Kaufmann. We discuss the open governor and Senate races and key Congressional and statehouse races in the November 3 midterm election, plus where the 2028 presidential caucuses stand.