Episode (200)
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Could We Speak to Dolphins? A Promising LLM Makes That a Possibility
May 23, 2025Dolphins have a broad vocabulary. They vocalize with whistles, clicks and “burst pulses.”This varied communication makes it challenging for scientists to decode dolphin speech. Artificial intelligence...
Do Mitochondria Talk to Each Other? A New Look at the Cell’s Powerhouse
May 21, 2025Mitochondria are known as the powerhouse of the cell—but new research suggests they might be far more complex. Columbia University’s Martin Picard joins Scientific American’s Rachel Feltman to explore...
How to Make Gold, Flamingo Food Tornado, and Kosmos-482 Lands
May 19, 2025Soviet-era spacecraft Kosmos-482 lands, though no one is certain where. Physicists turn lead into gold. Overdose deaths are down, in part thanks to the availability of naloxone. Flamingos make underwa...
Could Freezing Arctic Sea Ice Combat Climate Change?
May 16, 2025The year-round sea ice in the Arctic is melting and has shrunk by nearly 40 percent over the past four decades. Geoengineering companies such as Real Ice are betting big on refreezing it. That may sou...
How a West Texas Outbreak Threatens Measles Elimination Status
May 14, 2025Measles was technically “eliminated” in the U.S. in 2000 thanks to high measles, mumps and rubella (MMR) vaccination rates. While prior outbreaks have made headlines, a slew of cases in West Texas is ...
Sinking Cities, Waving Cuttlefish and Falling Spacecraft
May 12, 2025A 1970s Soviet spacecraft is hurtling down from space—and no one knows where it will land. All 28 of the most populous cities in the U.S. are slowly sinking. Investments and overconsumption make the w...
This Podcast Was Recorded Inside a Particle Collider
May 09, 2025We’re taking a field trip to the U.S.’s only particle collider, the Relativistic Heavy Ion Collider (RHIC), housed at Brookhaven National Laboratory. Staff scientist Alex Jentsch takes listeners throu...
Rejecting Toxic Fitness Culture with Casey Johnston
May 07, 2025Casey Johnston is not your typical health and fitness influencer. She joins host Rachel Feltman to discuss how finding joy in strength training changed her relationship to fitness, food and body image...
Jupiter’s Cyclones, Amazon’s Satellites and T. rex Collagen
May 05, 2025The congressionally mandated National Climate Assessment grinds to a halt. Amazon launches its first round of Internet satellites. The European Space Agency launches a satellite to measure the biomass...
The Fungi Facing Extinction and the Conservationists Working Hard to Protect Them
May 02, 2025Conservationists are ringing the alarm about the fungi facing extinction. The International Union for Conservation of Nature (IUCN) Red List features vulnerable pandas and endangered tortoises, but it...