Science Quickly

Zoya Teirstein, a senior staff writer at Grist, joins host Kendra Pierre-Louis to talk about this year’s United Nations Climate Change Conference, or COP30, which wrapped up in Brazil last week. Plus, new studies debunk claims that fluoride harms children’s cognitive development and show evidence that urban raccoons may be evolving traits linked to tameness. Recommended Reading “At COP30 in Brazil, Countries Plan to Armor Themselves against a Warming World,” by Zoya Teirstein, in Grist. Published online November 19, 2025 “Here Are the 5 Issues to Watch at COP30 in Brazil,” by Zoya Teirstein, Naveena Sadasivam and Anita Hofschneider, in Grist. Published online November 6, 2025 Fluoride in Tap Water Not Linked to Lower Child IQ, Massive Study Finds Raccoons Are Showing Early Signs of Domestication 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 Kendra Pierre-Louis, 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 his new book, Nanocosmos: Journeys in Electron Space, artist and writer Michael Benson transforms scientific imaging into art, capturing intricate natural designs that inspire awe and wonder. Join host Kendra Pierre-Louis as they explore how science and creativity intersect at the smallest scales of our universe. Recommended Reading Nanocosmos: Journeys in Electron Space, by Michael Benson. Abrams Books. Published October 28, 2025.  This episode was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. 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 Kendra Pierre-Louis, 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

Holiday meals can delight our taste buds while the food puts real strain on our digestion. Host Kendra Pierre-Louis talks with Northwestern University gastroenterology expert Kathryn Tomasino about why digestion is influenced not just by diet but also by stress, sleep and mindful eating. Together they share practical tips for enjoying Thanksgiving and other holiday feasts without the stomach aches. Recommended Reading Northwestern Medicine Diaphragmatic Breathing for GI Health. Northwestern Medicine, December 5, 2022 This episode was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. 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 Kendra Pierre-Louis, 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

Our editor in chief David M. Ewalt revisits a remarkable 20-year experiment: an e-mail time capsule designed to deliver digital messages from the past into the future. What began as a tech project at Forbes evolved into a story of human connection—proving that sometimes it’s friendship, not servers, that keeps information alive across decades. Recommended Reading The Unlikely Story of an E-mail Time Machine 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 Kendra Pierre-Louis, 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

Host Kendra Pierre-Louis speaks with reporter Rowan Moore Gerety about how mRNA vaccines, first successfully developed to protect against COVID, are now being tested to treat cancers such as pancreatic cancer. Together, Pierre-Louis and Moore Gerety explore the science behind these therapeutic vaccines and share the story of a survivor whose remission underscores their potential to transform cancer care. Recommended Reading New Cancer Vaccines Could Treat Some Types of Pancreatic, Colorectal and Other Deadly Forms of the Disease Why mRNA Vaccines Are So Revolutionary—And What’s at Stake if We Lose Them 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 Kendra Pierre-Louis, 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

Griefbots—artificial-intelligence-powered chat tools that simulate conversations with the deceased—are helping some people navigate loss in unexpected ways. Science writer David Berreby shares his firsthand experience with these digital companions and explores what they reveal about mourning, memory and the limits of technology.  Recommended Reading David Berreby’s substack 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 Kendra Pierre-Louis, 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, Rachel Feltman introduces interim host Kendra Pierre-Louis, a climate journalist with a strong aversion to mayonnaise—and a knack for turning that disgust into fascinating science reporting. Pierre-Louis shares insights into the psychology of taste, the cultural language of food textures and the way that categories of such textures, including creamy foods such as mayo, can trigger visceral reactions. Recommended Reading “Mayonnaise Is Disgusting, and Science Agrees,” by Kendra Pierre-Louis, in Popular Science. Published online October 31, 2017 “Texture Is the Final Frontier of Food Science,” by Kendra Pierre-Louis, in Popular Science. Published online February 13, 2021 Kendra Pierre-Louis’s website.  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 Kendra Pierre-Louis, 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

Headaches are among the most common human experiences—yet science still struggles to explain them. Journalist Tom Zeller, Jr., joins host Rachel Feltman to explore the cultural, gender-related and scientific blind spots that have stalled research into migraine, cluster and tension-type headaches. Recommended Reading Tom Zeller, Jr’s website The Headache: The Science of a Most Confounding Affliction––And a Search for Relief, by Tom Zeller, Jr. Mariner Books, 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 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

Many of us are taught from a young age that being “good” means being obedient—but that conditioning can make it hard to speak up when it counts. In this episode, Cornell University professor Sunita Sah explains how defiance can be a powerful tool for challenging injustice, asserting boundaries and reclaiming our voice. Recommended Reading Sunita Sah’s website Defy: The Power of No in a World That Demands Yes, by Sunita Sah. One World, 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 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

Hurricane Melissa stunned meteorologists with its rare intensity, reaching wind speeds that are more typical of Pacific supertyphoons and maintaining Category 5 strength for more than 24 hours. Scientific American senior editor Andrea Thompson breaks down what made the storm so unusual, how it impacted Jamaica and Haiti and what it might signal about the future of hurricanes. Plus, we discuss quick updates on viral infections and heart health, black hole collisions and chimpanzee rationality. Recommended Reading Hurricane Melissa Images Reveal a Monster Storm for the Record Books How Hurricane Melissa Became One of the Most Intense Atlantic Storms on Record With Melissa, 2025 Becomes Only the Second Season with More Than Two Category 5 Hurricanes Why Hurricane Melissa Could Be the Worst Storm to Ever Hit Jamaica Chimps Can Weigh Evidence and Update Their Beliefs Like Humans Do 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

Halloween might be a treat for your taste buds, but what about the trillions of microbes in your gut? Gastroenterologist Chris Damman joins host Rachel Feltman to explore how different candies affect your gut microbiome—and why moderation and whole foods matter even after a sugar binge. Recommended Reading “Halloween Candy Binges Can Overload Your Gut Microbiome—A Gut Doctor Explains How to Minimize Spooking Your Helpful Bacteria,” by Christopher Damman, in the Conversation. Published online October 23, 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 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

TikTok’s algorithm has become a cultural force, shaping what more than a billion users see and share, but its future may be shifting. As the platform prepares for a U.S.-only spin-off, Kelley Cotter, an assistant professor in the department of human-centered computing and social informatics at Pennsylvania State University, joins Science Quickly to explore how changes in ownership could affect the algorithm’s influence and transparency and the kinds of content we consume. Recommended Reading “TikTok Sale Puts App’s Algorithm in the Spotlight—A Social Media Expert Explains How the For You Page Works and What Changes Are in Store,” by Kelley Cotter, in the Conversation. Published online September 22, 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 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

Mosquitoes settle in Iceland for the first time as climate change reshapes the Arctic, and Earth’s darkening albedo may be accelerating global warming. Host Rachel Feltman also dives into rising bird flu cases, foodborne urinary tract infections linked to contaminated meat and a potential shift in mpox transmission. Plus, we discuss some hopeful news: peanut allergies are declining in toddlers, and North Atlantic right whales show signs of recovery. Recommended Reading Bird Flu Is Back. Here’s What to Know How Bird Flu Became a Human Pandemic Threat Earth Is Getting Darker, Which Could Accelerate Global Warming The Mystery of America’s Peanut Allergy Surge—And the Promising Science behind New Treatments Can Peanut Allergies Be Cured? 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

When the U.S. president claimed that acetaminophen use during pregnancy could cause autism in a person’s offspring, it reignited a deeper conversation about how little we know about medication safety for pregnant people. In this episode, Scientific American senior health editor Tanya Lewis explains why pregnant individuals are routinely excluded from clinical trials—and how that gap in research puts millions at risk.  Recommended Reading Nobody Knows How Tylenol Really Works Is Tylenol Safe for Children? Does Tylenol Use during Pregnancy Cause Autism? What the Research Shows 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

What makes an apology sound sincere? Psychologist Shiri Lev-Ari joins host Rachel Feltman to explore how the effort we put into our words—especially through longer, easier-to-understand language—can signal genuine remorse. New research reveals that even subtle linguistic choices shape how apologies are received and judged. Recommended Reading “Sorries Seem to Have the Harder Words,” by Shiri Lev-Ari, in British Journal of Psychology, Vol. 116; published online May 7, 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 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