The Spark

Tick season is back in Pennsylvania, and experts say 2026 is shaping up to be another challenging year. In this episode, we talk about how severe tick activity is across the state, what’s driving tick populations, and the health risks Pennsylvanians should be aware of this summer. Dr. Erika Machtinger, Associate Professor of Entomology and Extension Vector-borne Disease Team Lead at Penn State, explains what experts are seeing this season and how residents can protect themselves from tick-borne illnesses. Emily Struckhoff, Extension Program Specialist with Penn State Extension, shares practical guidance for families, including prevention tips, tick checks, and what to do if you find a tick attached.The Pride of the Susquehanna Riverboat continues to be an iconic attraction on the Susquehanna River, connecting residents and visitors with the region’s history, recreation, and tourism opportunities. In this episode, we sit down with Melissa Snyder, Riverboat Administrator/Manager, to discuss the riverboat’s role in the community, upcoming events, and its impact on local tourism and economic development. We’ll also talk about the recent approval of a $25,000 Dauphin County tourism grant, which will help support efforts to attract new visitors and strengthen the regional economy. 

On The Spark, Sean Murphy, ornithologist with the Pennsylvania Game Commission; Jen Sliko, landscape program specialist with Audubon Mid-Atlantic; and Bracken M. Brown, biologist-naturalist with Hawk Mountain Sanctuary Association, discussed the Pennsylvania Northern Harrier Project, a collaborative research effort aimed at protecting the state’s threatened northern harrier.On The Spark, Dr. Timothy Craig, an allergy and immunology specialist at Penn State Health and professor of medicine and pediatrics, discussed what allergies are, how they develop and why recognizing symptoms early is important.

Erica Jo Shaffer discusses the unique challenges gardeners face in Central Pennsylvania during the summer growing season. Erica explains that the region's hot, humid conditions create an ideal environment for a variety of fungal diseases, including early blight, powdery mildew, and leaf spot issues that can impact vegetable gardens and landscapes alike.WITF’s democracy reporter, Jordan Wilkie, spoke live in studio with Pennsylvania experts immediately following President Trump’s live, prime-time address focused on what he called the successes of his second term. Here’s that analysis, lightly edited for time, on what a new law would mean for Keystone state voters if President Trump’s pressure campaign is successful. From record-breaking heat waves and devastating floods to surprise cold snaps and wildfire smoke, the weather seems to be getting weirder by the year. But is this the new normal, or are we just paying more attention? We cut through the headlines and hype to explore what's really driving today's extreme weather events. We'll unpack the science behind climate change, separate facts from misconceptions, and discuss what these shifts mean for our communities, businesses, and everyday lives.

 Dr. Timothy Craig of Penn State Health breaks down the basics of allergies and how they impact millions of people every day. He explains what allergies are, common triggers such as pollen, pet dander, foods, and medications, and the important difference between allergies and food intolerances. Dr. Craig also discusses the warning signs of allergic reactions, including anaphylaxis, a serious medical emergency that requires immediate attention.Leigh Hurtz and Bill Reifsnyder discuss the growing appeal of adult camps, the importance of lifelong learning and recreation, and how music, movement, and community can enrich our lives at any age. Whether you're looking to pick up an instrument again, meet new people, stay active, or simply recapture some of the magic of summer camp, this conversation offers inspiration and practical ways to get involved.

Amid ongoing concerns about maternal health, healthcare workforce shortages, and access to care in underserved communities, leaders from the American College of Nurse-Midwives discuss how expanding midwifery services can help address critical gaps in maternity care. The conversation explores maternal and infant health disparities, rural healthcare access, common misconceptions about midwifery, and the growing need for nurse-midwives in Pennsylvania and across the nationDickinson College has officially launched the Deep Network Understanding (DNU) Lab, a new research initiative led by Professor John MacCormick that gives undergraduate students hands-on opportunities to study deep neural networks and large language models, with research courses, internships, and mentorship available to students of all experience levels. The lab, aims to position Dickinson as a leader in undergraduate AI research by engaging students in open-ended investigations into how AI systems learn, reason, and generalize beyond memorized patterns.

Professional genealogist and forensic researcher Sarah Fullem joins the podcast to share how historical records, DNA evidence, and investigative research help uncover family histories, identify heirs, and solve complex genealogical mysteries. Sarah also answers listener questions about tracing immigrant ancestors, finding early Scots-Irish records in Pennsylvania, and evaluating family tree hints on genealogy websites such as Ancestry.com. Megan Robertson shares her remarkable family history journey after appearing on PBS’s Finding Your Roots, where she uncovered new details about her great-grandfather’s ancestry and family connections. In this conversation, she reflects on the discoveries, the emotional impact of learning more about her heritage, and how the experience deepened her understanding of her family's storyPeter Laufer’s We Are All Americans is a powerful oral history that brings together interviews conducted in 2001, 2011, and 2021 to explore how Americans’ perspectives, identities, and sense of unity evolved in the two decades following the September 11 attacks. As the 25th anniversary of 9/11 approaches, Laufer offers a unique long-term view of the tragedy’s lasting impact on American society through the voices of people across the country.

Lauren Castillo’s Our Friend the Hedgehog: School for Woodland Creatures is a charming new installment in her acclaimed woodland series, following Hedgehog and her friends as they create their own school and discover that everyone has unique gifts to share. Through cozy storytelling and beautiful illustrations, the book celebrates self-discovery, kindness, friendship, and the idea that being a teacher or leader is about helping others, not being a perfect expert.Peter Laufer’s We Are All Americans is a powerful oral history that brings together interviews conducted in 2001, 2011, and 2021 to explore how Americans’ perspectives, identities, and sense of unity evolved in the two decades following the September 11 attacks. As the 25th anniversary of 9/11 approaches, Laufer offers a unique long-term view of the tragedy’s lasting impact on American society through the voices of people across the country.

Jon Heinly, Lancaster Public Library’s Director of Donor Advising, discusses the tremendous impact of the Big Book Sale, a community-driven fundraiser that helps expand and enhance library resources and services throughout Lancaster. We also explore why stable, long-term funding is essential for public libraries, the role of volunteers and local support, and how Lancaster County libraries are working together to advance a proposed library tax referendum.Why do conspiracy theories take hold—and why do they spread so quickly, even when evidence is weak? In this episode, we sit down with Dr. Dolores Albarracín, one of the world’s leading social psychologists to explore the psychology behind conspiracy beliefs.

This Men’s Health Month, The Spark brings two powerful, conversations focused on mental and physical wellness for men.First, Dr. Luke Piper, psychiatrist at UPMC Western Behavioral Health, joins us to unpack the ongoing importance of men’s mental health. Dr. Piper explores why men often struggle in silence—and what can change that. Then, we sit down with Jawon Chisholm—former Pittsburgh Steeler, certified personal trainer, and founder of Struggle to Succeed. Jawon shares what it really takes to maintain health after professional sports and how he now helps everyday men push past mental and physical barriers. We also highlight his community initiative, Run with Jawon, now one of Pennsylvania’s largest 100-meter races, and discuss how fitness, accountability, and shared struggle can transform lives.

Gun violence prevention requires more than policing—it takes community investment, opportunity, and collaboration. That was the message from Pennsylvania Lieutenant Governor Austin Davis during a recent appearance on The Spark.When people think of Pennsylvania, they often picture Philadelphia, Pittsburgh, and miles of farmland. But author Tory Mather says the Commonwealth has much more to offer. In her new book, Scenic Natural Wonders of Pennsylvania, Mather highlights 84 destinations ranging from waterfalls and overlooks to caves and scenic natural areas that showcase the state’s diverse landscape.

Author and outdoor explorer Tory Mather shares how her passion for discovering Pennsylvania’s hidden gems inspired her new book Scenic Natural Wonders of Pennsylvania. She highlights the state’s diverse landscapes and accessible adventures, encouraging listeners to find beauty close to home—from easy roadside stops to challenging hikes.Dani Fiore of Empowered Music and Jennifer Wilt of NAMI Cumberland & Perry Counties discuss the vital role of mental health awareness, sharing personal insight and resources that help individuals navigate crises while reducing stigma. They also highlight how music supports community well-being and invite listeners to a special July 25 concert celebrating the connection between mental health and the arts.

We explore the deeper meaning of the holiday and its connection to history, memory, and community reflection. Dr. Miner discusses “A Place for All”, a compelling exhibit at the State Museum of Pennsylvania that highlights stories of integration across the state.In this special Juneteenth broadcast, we welcome Ondra Haywood, Director of Living The Experience, for a powerful conversation on history, identity, and the ongoing journey toward equity and understanding. Haywood shares insights into the mission of Living The Experience and how storytelling, education, and community engagement help keep the spirit of Juneteenth alive today.

Paul Miller’s Law is a Pennsylvania distracted driving law that prohibits the use of handheld mobile devices while driving. It targets a major cause of crashes—drivers using their phones for texting, social media, or other activities that take their eyes and attention off the road. We speak with Fritzi Schreffler about this new law, and what it means for Pennsylvania Drivers.

In recognition of Men’s Health Month, we feature former Pittsburgh Steeler turned certified personal trainer Jawon Chisholm. He shares what it really takes to stay physically and mentally strong after leaving professional sports, and how that journey shapes his work coaching everyday men. We explore the challenges men face when starting or restarting a fitness journey, the mission behind his “Struggle to Succeed” program, and how his growing “Run with Jawon” event is building community through health. Jawon also opens up about the adversity and life experiences that continue to fuel his commitment to helping others succeed.Lancaster County is launching a new way to recognize community connection and impact. In this episode, we talk with Tracy Cutler of the Lancaster County Community Foundation and Araba Sapara-Grant of the Aspen Institute about “The Weaver Awards,” a new initiative supported by Aspen’s Weave program. The awards aim to honor local residents who are strengthening relationships and building a more connected community. Nominations are open now through July 24. Learn how the partnership came together, why social connection matters, and how you can get involved.

We explore the rich and often overlooked history of gender diversity in Ancient Rome and Medieval Europe, uncovering stories of people who lived beyond traditional gender roles. Through historical texts, laws, and cultural narratives, we reveal how these identities were understood, challenged, and remembered across time.And then we get updates from historian Jean-Paul Benowitz’s latest work on civil rights leader W. Miller Barbour, including his new documentary and companion book exploring Barbour’s human rights legacy. We discuss upcoming film screenings, recent recognition in major film festivals, and how Barbour’s story continues to shape conversations on race, dignity, and social justice today.

Join Chris Vera in person as he shares the history and hidden stories of Zion Hill Cemetery and its role in Columbia’s past. Learn why preserving this site still matters today.Also on the program: Dr. Christopher Weber of the Alzheimer’s Association to break down the latest Facts and Figures report, including new insights on brain health, midlife prevention, and the growing impact of Alzheimer’s disease. Learn what the latest data reveals and what individuals can do now to protect their cognitive health.

Zachary Adams, Executive Director of the Center for Rural Pennsylvania, leads a critical conversation from the first public hearing in a statewide series on data center development. Joined by Indiana County Commissioner Sherene Hess and Tioga County Commissioner Shane Nickerson, the discussion explores how the rapid growth of data centers is shaping rural communities across Pennsylvania.Also, we highlight Farm Sanctuary’s 40th anniversary and the evolution of the global farm animal protection movement. Featuring insights connected to Sanctuary Day and the organization’s founding vision, the conversation reflects on how one rescue in 1986 grew into an international network of sanctuaries transforming public awareness.

A proposal in Pennsylvania aims to change how police interrogations are handled—by requiring certain custodial interviews to be recorded. Supporters, including the Pennsylvania Innocence Project, say the measure could help prevent false confessions while also protecting law enforcement by creating a clear record of what happens during questioning. Similar policies are already in place in many other states.up next is a conversation with leaders and a rising star from the PSFCA Big 33 Football Classic. Executive Director Garry Cathell and COO Nicole Whitmire share the impact, history, and community spirit behind one of the nation’s premier high school all-star games, while Trinity High School standout Marcus Yeager—headed to the University of Richmond—gives a player’s perspective on earning a spot on Team PA. We also highlight the exciting lineup of Memorial Day Weekend events, from girl's flag football and the Fan Fest to the iconic Big 33 game, all celebrating talent, service, and opportunity.