As Central Pennsylvania swelters under a July heat dome, many gardeners are left wondering how to care for their plants in extreme heat. Gardening expert and landscape designer Erica Jo joined The Spark to share essential tips for summer plant care, from watering techniques to fertilizing container gardens.

One of her biggest takeaways: you still need to water your plants—especially the new ones.

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Coming up on the Spark Weekly:

With thousands of dams scattered across its waterways, Pennsylvania has a complicated relationship with its aquatic infrastructure. But a growing number of those dams—especially small, aging, and obsolete ones—are being taken down. And for good reason.

Also, on the program

The Pennsylvania State Police’s Bureau of Liquor Control Enforcement (BLCE) is responsible for far more than checking IDs at bars or inspecting bottles at restaurants. Officer Kristyn Plowden, who works in the bureau’s Training and Recruitment Unit for the Central Section, joined The Spark to share the behind-the-scenes role BLCE officers play in promoting public safety across the Commonwealth.

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The story of American industry is deeply woven into the steel beams, machine tools, and echoes of labor found inside the National Museum of Industrial History in Bethlehem, Pennsylvania. On The Spark, host Asia Tabb spoke with museum curator Andria Zaia and historian Mike Piersa about the museum’s roots, its Smithsonian affiliation, and how it brings the legacy of industrial America to life.

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On a recent episode of The Spark, Dr. Chrissy Senecal joined host Asia Tabb to uncover new and evolving discoveries about early humans—from our earliest ancestors in Africa to the impact of DNA inherited from long-extinct relatives like Neanderthals and Denisovans. The conversation explored groundbreaking insights into how humans evolved and what modern science is teaching us about our ancient past.

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For students across the Keystone State, the Pennsylvania Science Olympiad offers more than just a test of knowledge—it’s a hands-on, high-energy academic experience that encourages critical thinking, collaboration, and creativity in science, technology, engineering, and math.

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The Central Pennsylvania Festival of the Arts is returning this summer with a vibrant and inclusive lineup that organizers say will reflect the region’s artistic spirit while drawing visitors from far and wide. Executive Director Pamela Snyder Etters says this year’s event is bigger, more diverse, and more accessible than ever before.

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Now in its third year, the Harrisburg Fringe Festival has quickly become a vibrant celebration of bold, experimental, and uncensored art that’s energizing the capital city’s creative community.

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The Pennsylvania State Police’s Bureau of Liquor Control Enforcement (BLCE) is responsible for far more than checking IDs at bars or inspecting bottles at restaurants. Officer Kristyn Plowden, who works in the bureau’s Training and Recruitment Unit for the Central Section, joined The Spark to share the behind-the-scenes role BLCE officers play in promoting public safety across the Commonwealth.

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Now in its 58th year, Art of the State continues to serve as a cornerstone of Pennsylvania’s rich and vibrant arts community. Hosted by the State Museum of Pennsylvania in cooperation with the Pennsylvania Heritage Foundation, this annual juried exhibition features an impressive range of work—painting, photography and digital media, crafts, sculpture, and works on paper—highlighting the diverse artistic voices from across the Commonwealth.

This year’s exhibition includes 94 works selected from a staggering 2,344 entries—the second-highest submission count in the exhibition’s history. Ninety-five artists from more than 30 counties are featured in the 2025 show, which runs from June 8 through September 14 at the State Museum in Harrisburg.

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From the rich scent of homemade vanilla ice cream to the creak of wooden barn doors, farm life runs deep for Brittany Snyder and Charlene Espenshade—two Pennsylvania women working to make agriculture education more accessible for the next generation.

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