

What's Your Problem?
iHeartPodcasts and Pushkin Industries
Every week on What's Your Problem?, former Planet Money host Jacob Goldstein talks with entrepreneurs and engineers tackling the biggest challenges at the forefront of technology. How do you make a trip to space as routine as a plane flight? How do you turn solar energy into clean fuel? How do you use AI to stop deadly infections before they spread? We hear a lot these days about how the world is getting worse. What's Your Problem? learns from the thinkers and doers trying to make our future better.
iHeartMedia is the exclusive podcast partner of Pushkin Industries.
iHeartMedia is the exclusive podcast partner of Pushkin Industries.
Episodes
Mentioned books

Jan 22, 2026 • 41min
From Solar Pumps to Everything: Building a Market from Scratch
In this engaging discussion, Samir Ibrahim, co-founder and CEO of SunCulture, shares insights on transforming agriculture for smallholder farmers in Africa. He dives into how reliable water access can boost yields and income. Samir explains the benefits of affordable solar irrigation systems, the challenges of adding financial services, and the impressive metrics of customer engagement. He also highlights the impact of carbon credits and the potential for small farms to thrive with new technologies, effectively creating a vibrant new market.

Jan 15, 2026 • 34min
Mass-Producing Stem Cells to Cure Disease
Nabiha Saklayen, co-founder and CEO of Cellino, dives into the world of induced pluripotent stem cells (IPSCs) and their potential to revolutionize treatments for diseases like Parkinson's and leukemia. She highlights the current artisanal nature of iPSC manufacturing, which hampers accessibility and speed. With a physics background, Nabiha discusses her innovative approach using lasers for automation, her efforts to create closed 'Nebula' systems, and collaborations for clinical trials. The future looks bright, with hopes for broader treatment options within just a few years.

Dec 18, 2025 • 43min
Building a Self-Driving Tractor to Change the Future of Food
Tim Bucher, a farmer-turned-entrepreneur and the visionary behind Agtonomy, shares his journey in creating autonomous electric tractors for specialty crops. He highlights the challenges of automating farming tasks, particularly with permanent crops like grapes and olives. The discussion covers innovative technologies like 'trunk vision' to enhance automation capabilities. Tim also reveals his strategic pivot to focus on autonomy software for established manufacturers and shares insights on how automation could revolutionize the farming landscape.

11 snips
Dec 11, 2025 • 36min
We’re Going to Need a Better Boat
Mitch Lee, co-founder and CEO of ARC Boats, dives into the challenges of building competitively priced electric boats. He reveals how water density complicates electrification and discusses the complexities of large marine battery packs. Insights into partnering with automotive suppliers for cost efficiency shed light on production hurdles. Mitch also emphasizes safety innovations in electric boats compared to gasoline, and highlights the exciting shift to hybrid tugs. His vision for expanding ARC's offerings includes electrifying ferries and various consumer boats.

13 snips
Nov 20, 2025 • 45min
The App Where Strangers Lend Each Other Money
Nina Mohanty, founder and CEO of Bloom Money, shares insights on building a fintech app to support immigrants in managing finances. She discusses the importance of rotating savings groups and how cultural traditions can influence modern practices. Nina explains the technology behind Bloom, highlighting its unique structure that connects users for saving and lending. She also addresses the challenges of navigating regulations and venture capital, and reveals plans to expand into new markets to empower diaspora communities.

10 snips
Nov 18, 2025 • 50min
Introducing Business History: The Edison Invention People Don't Talk About
Explore the transformative impact of Thomas Edison, who didn't just invent gadgets but reshaped how we invent itself. Discover his scrappy childhood, early hustles, and how his telegraphy skills opened the door to a groundbreaking career. Learn about his first patent, the lessons from its failure, and how Edison's innovations led to the phonograph. The podcast dives into the intricacies of modern invention and Edison's relentless ambition, setting the stage for a deep exploration of his legacy.

8 snips
Nov 13, 2025 • 34min
Using Sound Waves to Destroy Tumors
Mike Blue, CEO of HistoSonics, shares his fascinating journey from a garage-built ultrasound prototype to an FDA-approved cancer treatment device. He discusses how converging sound waves create bubble clouds that destroy tumors non-invasively. After a setback with a failed clinical trial, he rebranded the technology and attracted funding. Blue also reveals insights from the pivotal HOPE for Liver trial, showcasing impressive results and patient outcomes, while addressing challenges in scaling their innovative treatment for various cancers.

13 snips
Nov 6, 2025 • 44min
From Desert Robots to Driverless Trucks
Chris Urmson, co-founder and CEO of Aurora, has nearly two decades of experience in autonomous vehicles, including pioneering work at Google. He shares thrilling tales from the DARPA Challenge, including lessons from building a Humvee robot. The discussion dives into the future of autonomous trucking, focusing on the benefits of Class 8 long-haul vehicles, real-world testing milestones, and the intricate technology like new FMCW LiDAR. Urmson also reflects on his journey from Google to founding Aurora, highlighting the societal benefits of autonomy.

Oct 30, 2025 • 32min
Is the Future of Fresh Water Under the Sea?
Michael Porter, Chief Technology Officer of OceanWell, pioneers submerged desalination systems. He shares how he created a prototype right in his kitchen and the technical challenges of providing fresh water from the ocean floor. The discussion reveals how innovations from the oil and gas industry are making this ambitious project feasible. Michael also highlights environmentally friendly practices to protect marine life and outlines the economic viability of undersea desalination, aiming for significant water self-reliance and benefits by 2028.

10 snips
Oct 23, 2025 • 31min
Could Home Batteries Save the Grid?
Justin Lopas, co-founder and COO of Base Power, tackles the critical challenge of delivering more energy without extensive grid expansion. He shares insights on how home batteries can alleviate peak demand and reduce costly upgrades. Justin elaborates on Base Power’s innovative model of selling electricity alongside batteries, offering savings and reliability. He discusses the rapid demand for installations in Texas and the company's mission to lower electricity costs, all while navigating the complexities of scaling and manufacturing.


