Science Friday

Updated: 25 Jul 2025 • 987 episodes
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Science Friday, as heard on PRI, is a weekly discussion of the latest news in science, technology, health, and the environment hosted by Ira Flatow. Ira interviews scientists, authors, and policymakers, and listeners can call in and ask questions as well.

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In December, the Parker Solar Probe made history when it made the closest-ever approach to the sun by a spacecraft. As it whizzed by, a camera recorded incredibly detailed images, which show the sun’s surface, the flow of solar winds, and eruptions of magnetized balls of gas. Seeing this activity in such detail could h

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You can’t get a mortgage without home insurance. But in some parts of the country, it’s becoming harder and harder to find a plan, as insurance companies drop homeowners  and pull out of entire states, as flooding, wildfires, and storms become more frequent and intense. Host Flora Lichtman talks to reporters Jessica Me

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Gen Alpha slang can seem unintelligible to adults, but linguist and TikToker Adam Aleksic argues language development in the internet age is worth legitimate study. Adam talks to Host Flora Lichtman about how algorithms and social media are changing the way we speak, and discusses his new book, Algospeak: How Social Me

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The New World screwworm has cattle ranchers, entomologists, and the federal government on edge. The pest was successfully eradicated from the US decades ago, but has recently been moving north from South America into Central America and Mexico, with concerns that it may cross the border into Texas. It’s notorious for l

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In July 1925, the Scopes “Monkey” Trial captivated the nation. On its face, the case was relatively straightforward: A Tennessee biology teacher named John Scopes was accused of teaching human evolution to his students. At the time, that was against state law. Both sides enlisted the help of big name lawyers to represe

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It’s shaping up to be one of the worst tick years yet, and concerns about Lyme disease—which is transmitted through the bites of some species—are high. Aside from a short-lived vaccine released in the late 1990s, people have not had the opportunity to get vaccinated against Lyme disease. But if our dogs can get vaccina

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