Broadcasts

Broadcast

October 24, 2025

A new documentary puts viewers in the shoes of Neanderthals and early humans, giving an intimate glimpse into humans’ evolutionary history. Plus, cell-cultured salmon is showing up on menus. How does it compare to the real thing? And, how mental health information on social media can be both revelatory and misleading.

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October 17, 2025

While some AI-designed drugs have made it to clinical trials, none of them have been approved. Why has it been harder than experts thought? Plus, in “Mapmatics,” a mathematician tells the stories of how math helps us track epidemics, map the seafloor, and plot a complex delivery route. And, the authors of “Food Intelligence” answer listener questions and discuss how our food systems make staying healthy an uphill battle.

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October 10, 2025

We check in on some exciting space missions and projects from IMAP to LIGO. Plus, in “Dinner With King Tut,” Sam Kean shows how experimental archaeology can recreate the stinky, slimy, and tasty parts of ancient history. And, behind the scenes of the removal of four dams along the Klamath River, and the massive restoration effort that’s followed.

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October 3, 2025

Without robust long-term data, physicians and patients continue debating the severity and significance of SSRI withdrawal symptoms. Plus, growing up, Asha de Vos didn’t know of any Sri Lankans studying marine mammals. So she became the first. And, anthropologists have a bone to pick with a new skull finding.

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September 26, 2025

We dig into the details of the science of Tylenol and autism with a researcher who led one of the largest studies on the topic. Plus, roboticist Karen Liu combines machine learning and animation to teach robots to move and respond more like humans. And, at a lab in the heart of San Francisco’s Golden Gate Park, scientists are breeding corals to be more resilient to rising ocean temperatures.

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September 19, 2025

Dr. Mary-Claire King was the first to link a gene to hereditary cancer risk with the identification of BRCA1 in the 1990s. She was just getting started. Plus, sooner or later, a sizable asteroid could impact a populated area on Earth. How are we preparing? And, the merlin, sandhill crane, and pileated woodpecker were once rare in North America. Environmental conservation fueled their resurgence.

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September 12, 2025

Octopuses can use their suckers to detect harmful microbes on the surface of objects like crab shells, or their own eggs. Plus, a new book charts the millennia-old history of our fascination with aliens, and how myth transformed into research. And, golden oyster mushrooms have escaped from home growing kits into the wild. Could they affect fungal diversity in North American forests?

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September 5, 2025

A sand dune is much more than just a big pile of sand. But how do sand dunes work, and what else do scientists want to know about sand? Plus, candles, hairstyling products, and other common items can produce toxic air pollution that lingers in our homes. And, former CDC scientist Demetre Daskalakis left his post, citing political interference and a lack of science in decision-making at the agency.

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August 29, 2025

Archaeologists are taking another look at tattoos on preserved corpses and verifying ancient techniques with modern tattoo artists. Plus, an ER doctor reflects on Hurricane Katrina, 20 years later. And, we’re pulling a few of our favorite stories about the science of ice cream out of the freezer.

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August 22, 2025

Humans drove wolves nearly to extinction in the American West. Reintroducing them in 1995 was, and still is, controversial. Plus, the FDA and HHS plan to eliminate petroleum-based food dyes as part of the MAHA agenda. What does science say about their effects on health? And, astronomers found a supernova whose lighter outer layers had been stripped away, revealing an inner shell rich in silicon and sulfur.

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