Science Quickly

Presidential physicians operate at the intersection of medicine, politics and national security. Former White House physician Jeffrey Kuhlman joins Scientific American associate editor Lauren Young to discuss the unique medical demands of presidential care—from preparing for emergencies such as gunshot wounds to navigating the delicate balance between transparency and privacy. His insights offer a rare glimpse into the high-stakes world of White House health care. Recommended Reading Transforming Presidential Healthcare. Jeffrey Kuhlman. Ballast Books, 2024 E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was co-hosted by Lauren Young and edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

What happens when a real-life astronaut turns to fiction? In this episode, Chris Hadfield shares how decades of spaceflight and global diplomacy inspired his latest novel, Final Orbit, a cold war thriller packed with historical intrigue and technical precision. Host Rachel Feltman dives into Hadfield’s creative process and the eerie parallels between past and present geopolitics. Recommended Reading Final Orbit, by Chris Hadfield. Mulholland Books, 2025 Science Quickly is a Signal Awards finalist! Support us by casting your vote before October 9 at the following link: https://vote.signalaward.com/PublicVoting?utm_campaign=signal4_finalists_finalistnotification_092325&utm_medium=email&utm_source=cio#/2025/shows/genre/science E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Alex Sugiura and Kylie Murphy. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

Saturn’s moon Enceladus reveals complex organic molecules that could hint at extraterrestrial life. Researchers also uncover fungi’s ancient reign over Earth and warn that second COVID infections may pose greater risks to young people. Plus, ants ferment yogurt, and flu detection might soon come with a burst of herbal flavor. Recommended Reading Saturn’s Moon Enceladus Has Complex, Life-Friendly Chemistry Science Quickly is a Signal Awards finalist! Support us by casting your vote before October 9 at the following link: https://vote.signalaward.com/PublicVoting?utm_campaign=signal4_finalists_finalistnotification_092325&utm_medium=email&utm_source=cio#/2025/shows/genre/science E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

Inside one of the quietest rooms in the world, host Rachel Feltman meets artist-in-residence Seth Cluett at the historic anechoic chamber at Bell Labs to explore the science of silence and sound perception. From popping balloons in total silence to hearing your own nervous system, we dive into psychoacoustics, audio innovation and the emotional impact of sound design. Along the way, we uncover how Bell Labs shaped everything from stereo audio to the voice of HAL in 2001: A Space Odyssey. Science Quickly is a Signal Awards finalist! Support us by casting your vote before October 9 at the following link: https://vote.signalaward.com/PublicVoting?utm_campaign=signal4_finalists_finalistnotification_092325&utm_medium=email&utm_source=cio#/2025/shows/genre/science E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Jeffery DelViscio. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

Several top public health experts have resigned from the Centers for Disease Control and Prevention, citing a troubling shift away from science-based decision-making. Former director of the CDC's National Center for Immunization and Respiratory Diseases Demetre Daskalakis joins host Rachel Feltman to explain how political ideology is reshaping vaccine policy, threatening essential health programs and endangering trust in the nation’s leading health agency. He also shares what outside organizations must do to protect public health in the face of growing uncertainty. Recommended Reading Here’s What Happened at RFK, Jr.’s Overhauled Vaccine Panel Meeting CDC’s Leadership Is in Chaos—Experts Warn of Public Health Risks Science Quickly is a Signal Awards finalist! Support us by casting your vote before October 9 at the following link: https://vote.signalaward.com/PublicVoting?utm_campaign=signal4_finalists_finalistnotification_092325&utm_medium=email&utm_source=cio#/2025/shows/genre/science  E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter.Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

This week’s roundup breaks down the Food and Drug Administration’s decision to revise the safety label for acetaminophen (Tylenol) following the Trump administration’s misleading claims about a link between use of the drug during pregnancy and autism—which were made despite inconsistent data and no proven causation. It also highlights new findings on the safety of COVID vaccination during pregnancy, promising results from a trial of gene therapy for Huntington’s disease and rare animal behaviors, including a notable instance of shark mating and a climate-driven coupling that resulted in a jay hybrid. Plus, the world’s strongest storm of the year reshapes the Pacific typhoon season. Recommended Reading Does Tylenol Use during Pregnancy Cause Autism? What the Research Shows Nobody Knows How Tylenol Really Works Fat Bear Week 2025 Science Quickly is a Signal Awards finalist! Support us by casting your vote before October 9 at the following link: https://vote.signalaward.com/PublicVoting?utm_campaign=signal4_finalists_finalistnotification_092325&utm_medium=email&utm_source=cio#/2025/shows/genre/science  E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

In a hauntingly innovative exhibit, brain cells grown from the late composer Alvin Lucier’s blood generate sound. Set in a museum in Perth, Australia, the installation blurs the line between art and neuroscience. Host Rachel Feltman and associate editor Allison Parshall explore the profound questions the exhibit raises about creativity, consciousness and the meaning of making music.  E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

In this episode of Science Quickly, host Rachel Feltman explores the age-old quest to replace failing human body parts with science writer Mary Roach. From ancient surgery to modern medical marvels, Roach shares insights from her new book Replaceable You, revealing why replicating our original anatomy is still one of medicine’s greatest challenges. Recommended Reading Replaceable You: Adventures in Human Anatomy, by Mary Roach. W. W. Norton, 2025 E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Jeff DelViscio. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

The Centers for Disease Control and Prevention’s vaccine advisory committee has been reshaped, with new recommendations on the horizon. Meanwhile studies reveal subtle brain changes in contact sports players and highlight ongoing risks of repetitive head injuries. Climate change is linked to a surge in heat-related deaths across Europe, while surprising research uncovers chimpanzees’ daily ethanol consumption and ants that produce hybrid offspring. Recommended Reading Here’s What Happened at RFK, Jr.’s Overhauled Vaccine Panel Meeting How RFK, Jr.’s Dismissal of CDC Immunization Committee Panelists Will Affect America’s Vaccine Access Chronic Traumatic Encephalopathy: A Player's Perspective Email us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new everyday: subscribe to Scientific American and sign up for our daily newsletter.  Learn more about your ad choices. Visit megaphone.fm/adchoices

From viral slang such as “skibidi” to the rise of so-called brain rot, linguist and content creator Adam Aleksic, aka the “Etymology Nerd,” and associate editor Allison Parshall, who covers the mind and brain, unpack how social media and algorithms are reshaping the way we communicate. Recommended Reading The Internet Is Making Us Fluent in Algospeak E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. This episode was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. Learn more about your ad choices. Visit megaphone.fm/adchoices

Scientists are tuning in to a surprising conversation happening inside us—between our gut and our brain. Host Rachel Feltman chats with Maya Kaelberer, an assistant professor at the University of Arizona’s department of physiology, to explore how intestinal cells and microbiomes might be shaping our moods, cravings and mental health in ways we’re only beginning to understand. Recommended Reading “A Gut Sense for a Microbial Pattern Regulates Feeding,” by Winston W. Liu et al., in Nature. Published online July 23, 2025 Website for the Gut Brain Laboratory at the University of Arizona The gut-brain community website Gastronauts E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. This episode was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. Learn more about your ad choices. Visit megaphone.fm/adchoices

A paper published by the Centers for Disease Control and Prevention argues that Chagas disease is now endemic in the U.S. Koalas may finally be spared from a deadly epidemic. Meanwhile NASA’s Perseverance Mars rover has uncovered tantalizing clues about potential ancient microbial life on the Red Planet. Hear about all that and more in this week’s news roundup. Recommended Reading Treating Koala STDs May also Quash Their Essential Gut Microbes New Black Hole Measurements Show More Ways Stephen Hawking and Albert Einstein Were Right This Rock May Hold Proof of Life on Mars E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. This episode was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. Learn more about your ad choices. Visit megaphone.fm/adchoices

Human brains don’t just perceive reality—they invent it. In this episode of Science Quickly, cognitive neuroscientist Daniel Yon speaks with host Rachel Feltman about how perception is an active process of prediction in which the brain constructs theories about the world that can sometimes lead us astray. Drawing from his book A Trick of the Mind, he reveals why this “hallucination” of reality is not a flaw but a fundamental feature of how we navigate the world. Recommended Reading A Trick of the Mind. Daniel Yon. Grand Central Publishing, 2025  The Neuroscience of Reality E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

A tick bite can trigger a rare allergy to red meat and animal products, forcing major lifestyle changes. Scientist Lee Haines joins host Rachel Feltman to break down what causes alpha-gal syndrome, why it’s spreading and how to spot the signs. Recommended Reading Red Meat Allergy Caused by Tick Bite Is Spreading—And Nearly Half of Doctors Don’t Know about It This Tick Can Make You Allergic to Meat, and It’s Spreading “A Red Meat Allergy from Tick Bites Is Spreading—And the Lone Star Tick Isn’t the Only Alpha-Gal Carrier to Worry About,” by Lee Rafuse Haines, in the Conversation. Published online August 5, 2025 Haines’s profile at the Conversation Haines’s profile at the University of Notre Dame’s Office of Media Relations E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices

This week’s roundup dives into Mars’s lumpy mantle, a nasal spray that may help prevent COVID and the growing confusion around vaccine access in the U.S. Plus, researchers link phone use while on the toilet to hemorrhoid risk, uncover ancient mammoth microbiomes and explain why squirrels’ thumbnails matter more than you think. Recommended Reading Can You Get a COVID Vaccine This Year? Here’s What We Know Experts Warn of Growing Threats amid CDC Resignations New Nasal Vaccines Offer Better Protection from COVID and Flu—No Needle Needed E-mail us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover! Discover something new every day: subscribe to Scientific American and sign up for Today in Science, our daily newsletter. Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith. Learn more about your ad choices. Visit megaphone.fm/adchoices