With measles cases on the rise, experts are pushing back against misleading claims about vitamin A as a substitute for vaccination. A Supreme Court ruling has reshaped the Environmental Protection Agency’s authority over water pollution, raising concerns about future environmental protections. And in the world of biotechnology, scientists have genetically engineered woolly mice—an experiment with implications for de-extinction efforts. Recommended reading: Company Seeking to Resurrect the Woolly...
Mar 10, 2025•10 min•Transcript available on Metacast John Green is an author, advocate and one half of the Vlogbrothers. His latest book, Everything Is Tuberculosis, comes out on March 18. Green joins host Rachel Feltman to share how tuberculosis shaped history, geography and culture. He discusses how he came to understand the inequities of tuberculosis and the dire risk public health interruptions pose to patients today. Recommended reading: You can preorder Everything Is Tuberculosis: https://everythingistb.com/#book How Advocates Pushed Big Pha...
Mar 07, 2025•11 min•Transcript available on Metacast Not much passes into our brain from the rest of our body, to the chagrin of drug makers everywhere. So it should be cause for concern when a study found that microplastics were somehow ending up in our brain, says chief opinion editor Megha Satyanarayana. She takes a step back and brings us into the wider world of plastics and the way petroleum chemicals can become pollutants far beyond the factories where they are made. Plus, Satyanarayana discusses the Scientific American opinion section and h...
Mar 05, 2025•15 min•Transcript available on Metacast Officials have confirmed the first measles death in an outbreak in West Texas. A meeting to discuss which strains to focus on for next year’s flu vaccines was canceled by the Food and Drug Administration. Public health officials are investigating two outbreaks of an unknown disease in the Democratic Republic of the Congo. Plus, new research discovers the importance of microbes in space for astronauts’ health and sheds light on the way the eruption of Mount Vesuvius in 79 C.E. turned a brain to g...
Mar 03, 2025•10 min•Transcript available on Metacast Have you ever had a song continue to loop in your brain no matter how hard you tried to shake it? These “earworms” are more than just an annoyance—they’re a phenomenon scientists have studied for years. This episode dives into what makes certain melodies stick, why some tunes are more persistent than others and what our listeners shared as their most unforgettable earworms. Recommended reading: How Do You Solve a Problem Like an Earworm? Email us at sciencequickly@sciam.com if you have any quest...
Feb 28, 2025•20 min•Transcript available on Metacast The Gaia spacecraft stopped collecting data this January after about 11 years and more than three trillion observations. Senior space and physics editor Lee Billings joins host Rachel Feltman to review Gaia’s Milky Way–mapping mission and the tidal streams, black holes and asteroids the spacecraft identified. Recommended reading: New Maps of Milky Way Are Biggest and Best Yet https://www.scientificamerican.com/article/gaias-multi-billion-star-map-of-the-milky-way-keeps-getting-better/ Astronomer...
Feb 26, 2025•17 min•Transcript available on Metacast The black hole at the center of our galaxy is emitting near-constant, random light. The European Space Agency has approved astronaut candidate John McFall, making McFall the first physically disabled candidate to be cleared to fly. The risk of asteroid 2024 YR4 hitting Earth rose to more than 3 percent and then dipped down to 1.5 percent with new data—our February 12 episode explained why this risk has been changing. Recommended reading: Hear our February 12 episode about asteroid 2024 YR4: http...
Feb 24, 2025•7 min•Transcript available on Metacast It’s fairly strange that humans, unlike many other mammals, don’t have hair all over. Our lack of body hair and wide geographic distribution led to the variation of sun-protective melanin in our skin. For the hair that remains, why did some groups develop curls while others did not? Biological anthropologist Tina Lasisi takes host Rachel Feltman through her work on understanding the roots of hair types. Plus, they discuss what we might learn from “chemo curls” and how developmental shifts change...
Feb 21, 2025•19 min•Transcript available on Metacast Scientists now agree that COVID spreads via airborne transmission. But during the early days of the disease, public health officials suggested that it mainly did so via close contact. The subsequent back-and-forth over how COVID spread brought science journalist Carl Zimmer into the world of aerobiology. In his new book Air-Borne: The Hidden History of the Life We Breathe, Zimmer examines the unseen life in the air around us. He joins host Rachel Feltman to look back at the history of the field,...
Feb 19, 2025•17 min•Transcript available on Metacast Love isn’t just about romance. This Valentine’s Day, we’re exploring the power of deep nonromantic bonds. Host Rachel Feltman sits down with Rhaina Cohen, a producer and editor for NPR’s podcast Embedded and author of The Other Significant Others, to discuss the history and psychology of friendship—and the reasons these connections deserve just as much celebration as romantic partnerships. Recommended reading: —The Evolutionary Origins of Friendship —How to Reconnect with Old Friends Who Have Be...
Feb 14, 2025•17 min•Transcript available on Metacast The European Space Agency recently announced that the near-Earth asteroid 2024 YR4 has a 2 percent chance of hitting our planet in 2032. The probability of impact is difficult to predict exactly and will be clearer in 2028, when 2024 YR4 will whiz by us. But if the asteroid really is on a collision course with Earth, what can we do about it? Senior space and physics editor Lee Billings joins host Rachel Feltman to unpack this headline-making story. Recommended reading: Newfound Asteroid May Hit ...
Feb 12, 2025•13 min•Transcript available on Metacast A subtype of H5N1 bird flu that has been found in cattle for the first time suggests that the virus jumped from birds to the animals twice. A headline-making study estimates that we have a spoon’s worth of microplastics in our brain. Streams of rock from a cosmic impact created the moon’s two deep canyons, Vallis Schrödinger and Vallis Planck. A large study shows that people feel their best in the morning and their worst at midnight. Bonobos can tell when humans don’t know something—and try to h...
Feb 10, 2025•8 min•Transcript available on Metacast The first few weeks of the Trump administration have been marked by chaos and confusion for the nation’s health and science agencies. A funding freeze broadly targeting language around diversity, equity and inclusion has agencies evaluating research and initiatives. A hold on public communications from health agencies is affecting public health reporting to people in the U.S.—and to the World Health Organization. Entire websites have gone dark as agencies have tried to comply, though archivists ...
Feb 07, 2025•19 min•Transcript available on Metacast It’s almost impossible not to feel outraged these days. But overexposure to information that makes us angry can wear us down. Senior health and medicine editor Tanya Lewis joins host Rachel Feltman to discuss how to combat outrage fatigue. Plus, we discuss a surprising finding about outrage and the spread of misinformation. Recommended reading: –Read Tanya Lewis’s full story on outrage fatigue –Listen for tips on converting cynicism into hopeful skepticism E-mail us at sciencequickly@sciam.com i...
Feb 05, 2025•9 min•Transcript available on Metacast This week we’re recapping Robert F. Kennedy, Jr.’s confirmation hearings. Highly pathogenic H5N9, a strain of bird flu, was found in U.S. poultry. A tuberculosis outbreak in Kansas is making headlines—but how severe is the spread? Health equity reporter Bek Shackelford-Nwanganga of the Kansas News Service and KCUR joins host Rachel Feltman to unpack the situation. Plus, we discuss fossilized puke and ice-resistant polar bear hair. Recommended reading: –Shackelford-Nwanganga’s reporting on the tu...
Feb 03, 2025•12 min•Transcript available on Metacast It’s easy to be cynical about the state of the world—even when you’re a researcher who studies empathy and kindness. Stanford University psychologist Jamil Zaki turned his own negativity into his new book Hope for Cynics: The Surprising Science of Human Goodness. The book busts common myths about cynicism and explores what it could be doing to our body and brain. Zaki reflects on the imperfections of cynicism and hope and presents a third option: hopeful skepticism. Recommended reading: Read Hop...
Jan 31, 2025•16 min•Transcript available on Metacast The sun is in the middle of its solar maximum, the part of its 11-year solar cycle that was responsible for the stunning auroras seen across the globe last year. This year is looking equally exciting, with more incoming space weather and a handful of science missions to study the sun’s wide-reaching behavior. Senior reporter Meghan Bartels reviews the missions that are launching in 2025 and explains the reasons why you should be excited by heliophysics. Recommended reading: Heliophysics Is Set t...
Jan 29, 2025•12 min•Transcript available on Metacast Executive orders that impact science and health in the U.S. came quickly after the inauguration of President Donald Trump. Tanya Lewis, senior editor of health and medicine, explains how grievances over COVID and funding led Trump to order the U.S.’s withdrawal from the World Health Organization—and what that withdrawal would mean for global health. Plus, we present an update on the spread of bird flu in the U.S. and other news on topics from animal behavior to astronomy. –Listen to our episode ...
Jan 27, 2025•10 min•Transcript available on Metacast It’s easy to feel overwhelmed with the news these days and to fear for the future. What if you could interrupt doomscrolling and contribute to conservation at the same time? That’s the idea behind programs like Adventure Scientists, eBird and iNaturalist. Guest Gregg Treinish, founder and executive director of Adventure Scientists, joins host Rachel Feltman to talk about community science in the great outdoors. Learn more about Adventure Scientists Contribute to the California Biodiversity proje...
Jan 24, 2025•15 min•Transcript available on Metacast Net neutrality, the principle that all Internet traffic should be treated equally, was heralded by the Federal Communications Commission and open Internet advocates. A federal court struck down the FCC’s ability to enforce the policy earlier this month. What does that mean for the free and open Internet? Associate technology editor Ben Guarino joins host Rachel Feltman to review the state rules that could preserve net neutrality and ways that telecommunications giants could leverage the lack of ...
Jan 22, 2025•10 min•Transcript available on Metacast A report that was recently released by the Department of Health and Human Services highlights the risks of drinking alcohol, even moderately. The Food and Drug Administration has banned the use of the dye Red No. 3 in food and other products. Experts argue that body mass index (BMI) is a flawed way to diagnose “obesity.” A SpaceX rocket successfully brought two lunar landers into orbit—but in another launch, part of a separate SpaceX vehicle exploded after takeoff. Plus, Australia has another sc...
Jan 20, 2025•8 min•Transcript available on Metacast Ouch! Ah! Aïe! The words we use when we stub our toe or receive a pinch may point to a common way to express pain across languages. Associate news editor Allison Parshall explores what linguistic commonalities in expressions of pain and joy might mean for our shared biology. Plus, Parshall and host Rachel Feltman chat about onomatopoeias, the “bouba-kiki” effect and linguistic news you may have missed in 2024. Recommended reading: Ouch! Linguists Find Universal Language for Pain How Our Thoughts...
Jan 17, 2025•19 min•Transcript available on Metacast H5N1 avian influenza has now reached almost 1,000 herds of dairy cattle in 16 states and has infected around 66 people, many of them agricultural workers, in the U.S. Host Rachel Feltman is joined by Amy Maxmen, a public health reporter at KFF Health News, to get the latest on bird flu. They explore how government and industry players lost control of the outbreak and what we can do to prevent a future pandemic of this evolving disease. Read the full story: https://www.scientificamerican.com/arti...
Jan 15, 2025•16 min•Transcript available on Metacast Norovirus cases are up this year, with 91 reported outbreaks nationwide. Human metapneumovirus (HMPV) cases are up in China and India. There has also been an increase in the U.S., but HMPV is currently a cause for concern in the nation, where its relative commonality gives many people some immunity. Louisiana has reported the first U.S. death from H5N1 avian influenza. Experts say the risk of bird flu to most people is low, though several factors can cause severe disease. Medical debts are set t...
Jan 13, 2025•13 min•Transcript available on Metacast Pluto was unseated as our solar system’s ninth planet in 2006. Since then astronomers have found signs that a real ninth planet could be hiding at the edges of our solar system. Clara Moskowitz, senior editor for space and physics, explains how the forthcoming Vera Rubin Observatory could give researchers a way to find the real Planet Nine—if it’s out there. Recommended reading: – We May Be on the Brink of Finding the Real Planet Nine – How to Move the World’s Largest Camera from a California La...
Jan 10, 2025•19 min•Transcript available on Metacast Going outside has many benefits, from positively affecting our nervous system to diversifying our microbiome. But you don’t need a forest preserve to benefit from nature—sometimes even a houseplant or the smell of lavender can improve our life. Kathy Willis, a professor of biodiversity at the University of Oxford, joins host Rachel Feltman to discuss her new book Good Nature: Why Seeing, Smelling, Hearing, and Touching Plants Is Good for Our Health. Willis suggests ways for even city dwellers to...
Jan 08, 2025•18 min•Transcript available on Metacast 2024 brought heat waves and hurricanes, bird flu and breakthroughs, and an overwhelming amount of progress in AI. Science Quickly host Rachel Feltman is joined by sustainability editor Andrea Thompson, health and medicine editor Tanya Lewis and technology editor Ben Guarino to recap a busy year and weigh in on the stories they’re watching in 2025. Happy Holidays from all of us at Science Quickly! Thank you for your support and your curiosity. We’ll see you next year. Recommended reading: https:/...
Dec 23, 2024•21 min•Transcript available on Metacast Tens of thousands of animal species are facing extinction, mostly because of human activity. But thanks to conservationists, there are some animals that are making a comeback. This is part four of “The New Conservationists,” a four-part series about the evolving world of animal conservation. Listen to part one, part two and part three. Recommended reading: – The Panda Factories – Flying Conservationists Teach Endangered Birds to Migrate – The Last Wild Horses Are Finally Returning to Their Natur...
Dec 20, 2024•23 min•Transcript available on Metacast Ashleigh Papp, an animal scientist turned storyteller, shifts our perspective on the modern conservationist. With low wages and expectations of free work, conservation science lacks diversity as a field—but dedicated graduate students and new programs are trying to change that. Isaac Aguilar, a graduate student in the geology division at the California Institute of Technology, tells Papp about his journey into conservation. Plus, join a night patrol with crime prevention sergeant Malungane Naled...
Dec 18, 2024•20 min•Transcript available on Metacast Ashleigh Papp, an animal scientist turned storyteller, takes us on into the field. Conservationists and animal behaviorists were once restricted to wildlife data gathered manually. Now new technologies are expanding the amount of passively collected data—and machine learning is helping researchers cut through the noise. This is part two of The New Conservationists, a four-part series about the evolving world of animal conservation. Recommended reading: – Flying Conservationists Teach Endangered ...
Dec 16, 2024•18 min•Transcript available on Metacast 
