Ashleigh Papp, an animal scientist turned storyteller, takes us on a trip to the zoo. People are divided on zoos, but as Papp explains, the thoughtful work that goes into caring for animals makes modern zoos conservation powerhouses. This is part one of The New Conservationists, a four-part Friday Fascination series about the evolving world of animal conservation. Recommended reading: – Flying Conservationists Teach Endangered Birds to Migrate – The Last Wild Horses Are Finally Returning to Thei...
Dec 13, 2024•18 min•Transcript available on Metacast If you were intrigued—or disturbed—by the artificial intelligence podcast on your Spotify Wrapped, you may wonder how AI audio works. Audio Overview is a feature of the tool NotebookLM, released by Google, that allows for the creation of short podcasts with AI “hosts” summarizing information. But questions remain about the accuracy, usefulness and environmental impacts of this application. Host Rachel Feltman and associate news editor Allison Parshall are joined by Google Labs’ editorial directo...
Dec 11, 2024•25 min•Transcript available on Metacast An outbreak of an unknown illness has occurred in the Democratic of the Congo, which has already been dealing with the spread of mpox. A new study finds that leaded gasoline could be responsible for 151 million cases of mental health disorders, with impacts highest among members of Generation X. Upping your daily movement could protect you from cardiovascular events. Plus, we look at Venus’s past and fashion-forward orcas. Recommended reading: For Orcas, Dead Salmon Hats Are Back in Fashion afte...
Dec 09, 2024•9 min•Transcript available on Metacast Low iron levels can cause fatigue and impact mental health, but doctors often miss cases of iron deficiency and anemia. Pediatric hematologist Angela Weyand, a clinical associate professor at the University of Michigan Medical School in Ann Arbor, points to one population that could be at a higher risk—young women with heavy menstrual bleeding. In one study from a national database, nearly 40 percent of otherwise healthy adolescent women were iron-deficient, and 6 percent were additionally anemi...
Dec 06, 2024•11 min•Transcript available on Metacast Anthony Fauci speaks with Tanya Lewis, senior editor for health and medicine at Scientific American, about his remarkable career, as detailed in his new book On Call: A Doctor’s Journey in Public Service. They discuss the experiences he faced while guiding the U.S. through the pandemic, the lessons learned by public health practitioners and the challenges posed by future threats, such as bird flu and other potential pandemics. This episode is part of “Health Equity Heroes,” an editorially indepe...
Dec 04, 2024•22 min•Transcript available on Metacast Black Friday sales have gone from one-day in-person shopping bonanzas to a multiday deals extravaganza. It’s tempting to give in to the seasonal pressures to shop, but knowing the tricks companies use to make sales so appealing can help us avoid overconsumption. Cathrine Jansson-Boyd, a professor of consumer psychology at Anglia Ruskin University in England, explains how to spot marketing ploys and shop sustainably. Recommended reading: It’s Actually Healthier to Enjoy Holiday Foods without the ...
Nov 27, 2024•16 min•Transcript available on Metacast Donald Trump has nominated RFK, Jr., to run the Department of Health and Human Services, a position that includes oversight of the Centers for Disease Control and Prevention, the Food and Drug Administration and the National Institutes of Health. Senior health and medicine editor Tanya Lewis explains what that would mean for antivaccine policies, food safety and unproven therapies that Kennedy backs. Tobacco use is down across the U.S., but the drop has been uneven across groups. Astronomers hav...
Nov 25, 2024•11 min•Transcript available on Metacast Writings and records are how we understand long-gone civilizations without being able to interact with ancient peoples. A recent opinion paper suggested we could feed chatbots writings from the past to simulate ancient participants for social psychology studies. Similar survey experiments with modern participant data closely matched the outcomes of the real people they were based on. We speak with the opinion paper’s co-author Michael Varnum, an associate professor at Arizona State University, a...
Nov 22, 2024•12 min•Transcript available on Metacast Disparities in health are not indicated by adverse outcomes alone. Adriana Corredor-Waldron, an assistant professor of economics at NC State University, sought to understand why Black infants are more likely to be delivered by C-section than white infants. A working paper she co-authored found that the elevated number of low-risk Black pregnant people who were given C-section surgeries in New Jersey from 2008 to 2017 was likely caused by physician discretion. Corredor-Waldron explains why unnece...
Nov 20, 2024•12 min•Transcript available on Metacast A wildfire in Brooklyn, N.Y.’s Prospect Park was in part linked to drought conditions nationally. Plastic waste is set to grow with our expanding economy, but potential solutions look promising. Drops in gonorrhea and early-stage syphilis point to the first decline in sexually transmitted infections in 20 years. Voyager 2’s fly-by of Uranus in the 1980s collected data that led scientists to believe the planet’s moons were inactive. A reassessment of those data shows that Uranus could have just b...
Nov 18, 2024•12 min•Transcript available on Metacast Tomorrow marks the 50th anniversary of a transmission from the Arecibo Observatory, intended as our first attempt to send a message to intelligent life across the universe. Journalist Nadia Drake talks about the careful crafting of the signal and her personal connection with the astronomer who authored the transmission: her father Frank Drake. Recommended reading: The Arecibo Message, Earth’s First Interstellar Transmission, Turns 50 Arecibo Observatory Shuts Down Its Science E-mail us at scienc...
Nov 15, 2024•15 min•Transcript available on Metacast What does the Declaration of Independence have in common with Vincent van Gogh’s sketches? The ink used to produce them came from wasps. From pests to products, insects have played an enormous role in human history. Entomologist and animal behaviorist Barrett Klein encourages a historical and scientific perspective on these creatures and invites us to marvel at their beauty and biodiversity. – Read Barrett Klein’s book The Insect Epiphany – See more from Klein – Explore our coverage E-mail us at...
Nov 13, 2024•17 min•Transcript available on Metacast A wooden solution to metal satellites polluting space. Water woes create droughts in 48 of the 50 U.S. states—and climate change is of course a culprit. Microplastics could make wastewater recycling more challenging. And researchers figure out how mud from a secret spot off the Delaware River makes baseballs easier to grip. Recommended reading: How Baseball Got Faster but Riskier Microplastics Linked to Heart Attack, Stroke and Death Space Junk Is Polluting Earth’s Stratosphere with Vaporized Me...
Nov 11, 2024•9 min•Transcript available on Metacast Could our fixation on weight actually be harming, rather than helping, people’s health? Host Rachel Feltman is joined by Ragen Chastain, a writer, researcher and board-certified patient advocate, to discuss how weight stigma could be fueling many of the negative health outcomes we commonly link to weight gain. This episode is part of “Health Equity Heroes,” an editorially independent special project that was produced with financial support from Takeda Pharmaceuticals. Sign up for Chastain’s Subs...
Nov 08, 2024•25 min•Transcript available on Metacast Rising Signs: The Medieval Science of Astrology, a new exhibit at the J. Paul Getty Museum in Los Angeles, takes a look at medieval manuscripts to showcase the importance of astrology to the period’s elites. Larisa Grollemond, an assistant curator at the museum, takes us through the impact of astrology on day-to-day decisions and the way it became tied up in the medieval obsession with humoral balances. Plus, we discuss how today’s astrology split from the modern science of astronomy. Rising Sig...
Nov 06, 2024•15 min•Transcript available on Metacast The 2024 U.S. presidential candidates have very different visions for the country. On today’s show, host Rachel Feltman is joined by associate sustainability editor Andrea Thompson to talk about the climate choices faced by the next president and the shifting energy landscape. Senior news reporter Meghan Bartels reviews the gun control policies of the Biden administration and the complicated cultural dynamics around gun ownership that faces the next president. Plus, we discuss how public educati...
Nov 04, 2024•28 min•Transcript available on Metacast The 2024 U.S. presidential candidates offer very different policy perspectives. On today’s show, host Rachel Feltman is joined by health editors Tanya Lewis and Lauren Young to discuss how Kamala Harris and Donald Trump plan to address reproductive rights and health care accessibility and affordability. Plus, senior opinion editor Dan Vergano draws on his coverage of nuclear weapons to preview what a win for each candidate would mean for the U.S.’s approach to nuclear policy. Read more about the...
Nov 01, 2024•19 min•Transcript available on Metacast Why do so many of us love a good scare? Whether it’s horror movies, haunted houses or creepy podcasts, there’s something thrilling about feeling spooked—especially around Halloween. In this episode, host Rachel Feltman dives into our fascination with fear and morbid curiosity with Coltan Scrivner, a behavioral scientist at the Recreational Fear Lab at Aarhus University in Denmark. They explore the evolutionary and psychological reasons behind why we’re drawn to the dark and eerie and why a dose ...
Oct 30, 2024•18 min•Transcript available on Metacast An enormous meteorite’s impact 3.26 billion years ago may have made conditions on Earth more hospitable for life in the long run. Washington State is the sixth state to report cases of bird flu in humans. Weight-loss procedures and treatments could lead to an uptick in scurvy cases if patients and physicians aren’t vigilant about vitamin C. And scientists are learning more from the remains of a Norse soldier whose body was dumped in a well some 800 years ago. Recommended Reading Bird Flu Is Infe...
Oct 28, 2024•9 min•Transcript available on Metacast Artist and author Geo Rutherford created Spooky Lake Month to highlight the strange and eerie waters of the world. She first fell in love with the Great Lakes during graduate school in Milwaukee. Rutherford was an early educational video creator, but it was a video about spooky lakes that skyrocketed her to viral fame. She has a new book, Spooky Lakes: 25 Strange and Mysterious Lakes That Dot Our Planet. Rutherford joins host Rachel Feltman to discuss art, natural wonders and the deepest lake in...
Oct 25, 2024•14 min•Transcript available on Metacast Host Rachel Feltman is joined by Jasmine McDonald, an assistant professor of epidemiology at Columbia University’s Mailman School of Public Health, to discuss the disturbing trend of an increase in early-onset breast cancer diagnoses. They explore how chronic exposure to endocrine disruptors could be fueling this rise and examine the surprising role that societal beauty standards may play in shaping these risks. We value your input! Take our quick survey to share your feedback. Email us at scien...
Oct 23, 2024•24 min•Transcript available on Metacast NASA and the National Oceanic and Atmospheric Administration have confirmed we’re in the solar maximum, a period of increased solar activity that could lead to more auroras. Also, the Centers for Disease Control and Prevention has reported a fivefold surge in whooping cough cases. And a new study suggests that some microbes might be using our disinfectants against us by chowing down on them. Recommended reading: Whooping Cough Is Spreading Again after Years of Relative Quiet Email us at scienceq...
Oct 21, 2024•9 min•Transcript available on Metacast There’s a lot of excitement and apprehension over the seemingly sudden proliferation of artificial intelligence in just about everything. Technological progress often outpaces regulation, and the next U.S. president will set the tone for AI policy. Scientific American’s associate technology editor Ben Guarino walks us through AI policies and plans from Kamala Harris and Donald Trump. Plus, we discuss the role AI generated images, videos and even voices could play in spreading misinformation arou...
Oct 18, 2024•21 min•Transcript available on Metacast How do you stop implicit bias from getting in the way of better health? This doctor wants to make learning how to manage bias as important as learning how to suture. SHOWNOTES: Have you ever felt judged at the doctor’s office, even before you said a word? Unfortunately, that’s not uncommon, and it’s often not intentional. Like everyone, doctors have unconscious biases that can affect how they treat patients, which can pose real risks to health outcomes. In this episode, host Rachel Feltman is jo...
Oct 16, 2024•19 min•Transcript available on Metacast Everything you need to know about last week’s physics, chemistry, and physiology or medicine Nobels. COVID could raise the risk of heart attacks and strokes years after original infection. Hurricane Milton causes tornadoes across Florida and delays the launch of Europa Clipper. Recommended reading: How Does Sharing a Nobel Prize Work? https://www.scientificamerican.com/article/why-chemistry-physics-and-medicine-nobel-prizes-can-be-shared-and-how-that/ Why Hurricane Milton Caused So Many Tornadoe...
Oct 14, 2024•9 min•Transcript available on Metacast Scientific American associate news editor and music enthusiast Allison Parshall takes Science Quickly through what we know about how singing came to be. Scientists aren’t sure why humans evolved to sing, but commonalities in traditional music offer clues to how the practice evolved. Neuroscience shows us where speech and singing live in the brain and what information the forms hold. And an upcoming experiment will look into how singing might make us more connected to one another. Recommended rea...
Oct 11, 2024•25 min•Transcript available on Metacast Hurricanes Beryl, Francine and Helene have battered the Gulf Coast this year. Hurricane Milton is expected to add to the destruction, particularly in parts of the west coast of central Florida that are already reeling from Hurricane Helene. Scientific American’s associate editor of sustainability Andrea Thompson joins Science Quickly to help us understand how we measure hurricanes and how climate change is magnifying the damage done by these massive storms. Plus, we discuss how the catastrophic ...
Oct 09, 2024•16 min•Transcript available on Metacast Hurricane Helene’s death toll continues to rise. Marburg virus is spreading in Rwanda, but risks for a global outbreak are low. Researchers in Beijing used stem cell treatments to reverse diabetes in a patient. Plus, we discuss a map of a fruit fly’s brain and dolphin smiles. Recommended reading: Hurricanes Kill People for Years after the Initial Disaster https://www.scientificamerican.com/article/hurricanes-kill-people-for-years-after-the-initial-disaster/ See an Amazingly Detailed Map of the F...
Oct 07, 2024•10 min•Transcript available on Metacast Drag queen and mathematics communicator Kyne Santos tells us the questions that modern mathematicians are grappling with, from infinite tiling to the structure of math itself. We hope you enjoyed the final episode of this Friday miniseries about magical math. You can listen to parts one and two wherever you get your podcasts or at the links below. Recommended reading: – Discover Math’s Elegance and Power with Drag Queen Kyne Santos – Is Math Part of Nature or an Invention of the Mind? – Inside M...
Oct 04, 2024•17 min•Transcript available on Metacast The Food and Drug Administration has granted priority review to suzetrigine, a novel painkiller. It’s part of a new class of medications that could provide relief to those with chronic pain. The drugs target sodium channels on nerve cells, stopping pain signaling at the periphery. Journalist Marla Broadfoot explains the biology of aches and pains and the reasons it is so challenging to develop well-tolerated medications for pain. Recommended reading: New Painkiller Could Bring Relief to Millions...
Oct 02, 2024•12 min•Transcript available on Metacast 
