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Every episode
Science Magazine Podcast
30 episodes
A vest for blocking cosmic rays, and updates on NIH funding
Aug 13, 2026 · 27 min
First up on the podcast, ScienceInsider Editor Jocelyn Kaiser joins host Sarah Crespi for the latest science policy news. The two discuss recent grant cancellations by the U.S. National Institutes of Health and the likelihood that the agency will spend its budget by the end of its fiscal year on 30 September. Next on the show, crew aboard spacecraft that enter deep space are likely to be exposed to a radiation source we don’t often encounter on Earth’s surface: high-speed protons coming from sol…
Did meat or fruit give people big brains, and protecting bison diversity using ancient DNA
Aug 6, 2026 · 38 min
First up on the podcast, Deputy News Editor Michael Price discusses the history of the North American bison population, its decline, and resurrection—and links to Indigenous cultures. He’s joined by University of California, Santa Cruz evolutionary molecular biologist Beth Shapiro and Greg Wilson, a wildlife ecologist with Parks Canada. They talk about their Science paper on the genetic diversity of modern bison after near extermination during European colonization. Shapiro and Wilson also expla…
AI’s influence on society, measuring muscles, and a Crick biography
Jul 30, 2026 · 47 min
First up on the podcast, we catch up with Celina Zhao, a staff reporter for Science’s AI In Science reporting initiative. She talks with host Sarah Crespi about artificial intelligence’s knack for finding legal loopholes and how philosophers are navigating conflicts of interest around advising companies on AI. Next on the show, it’s hard to figure out how much force a muscle is exerting without sticking invasive probes into the body. Christopher Bird, a Ph.D. candidate in the School of Biomedica…
Death in a gene-editing trial, and insect larvae surviving in deep waters
Jul 23, 2026 · 37 min
First up on the podcast, freelance science journalist Brendan Borrell talks about his work reporting on the previously undisclosed death of a 6-year-old girl in a gene-editing clinical trial in China and the reasons her parents came forward. This story was produced in collaboration with Retraction Watch and supported by the Science Fund for Investigative Reporting. Next on the show, Producer Meagan Cantwell talks with Evan McKenzie, a researcher at the University of British Columbia, about an in…
Health care in Malawi after USAID’s end, and a rocky exoplanet with an atmosphere
Jul 16, 2026 · 42 min
First up on the podcast, we continue our coverage of the fallout from cuts to the U.S. Agency for International Development (USAID), this time focusing on how one of the largest recipients of aid is coping 18 months later. Contributing Correspondent Catherine Offord talks about her trip to Malawi and the efforts to strengthen their health infrastructure in the wake of funding shocks. Next on the show, Collin Cherubim, Ph.D. candidate in the Earth and Planetary Sciences Department at Harvard Univ…
Owl wars and the immune system’s memory
Jul 9, 2026 · 35 min
First up on the podcast, Contributing Correspondent Warren Cornwall goes on an owl hunt in the woods of Northern California. After surviving logging and habitat destruction in the 1990s, the endangered Northern spotted owl has put conservationists in a bind: In order to protect the spotted owl, the only solution may be shooting barred owls. Next on the show, looking back at the first 10 years of the journal Science Immunology. Editor Seth Thomas Scanlon explores how the field has changed since t…
How Antarctica got its ice sheets, and what happens when geopolitical relationships turn chilly in the Arctic
Jul 2, 2026 · 33 min
First up on the podcast, relationships turn chilly in the polar research haven of Svalbard in Norway. Senior International Correspondent Richard Stone joins host Sarah Crespi to discuss the impacts of geopolitical shifts on the scientific output of this region so important to the study of climate change. Next on the show, producer Meagan Cantwell talks with Thomas Gernon, a geologist at the University of Southampton, about how ice sheets formed in Antarctica during a time when the temperatures w…
Cracking color vision, U.S. science policy changes, and a trailblazing biography
Jun 25, 2026 · 45 min
First up on the podcast, ScienceInsider editor Jocelyn Kaiser joins host Sarah Crespi to discuss big policy stories from the past month, including a proposal from President Donald Trump’s administration to increase the involvement of politicians in grantmaking. Next on the show, Science Senior Editor Michael Funk joins to discuss a trio of papers on the light-detecting proteins responsible for color vision. Ohashi et al., Science 2026 Peng et al., Science 2026 Schmidt et al., Science 2026 Finall…
An electronic nose that detects spoiled chicken, and wolves make a spectacular comeback in Europe
Jun 18, 2026 · 47 min
First up on the podcast, wrangling wolves in Europe. After near extermination in much of the continent, wolf numbers have surged up to about 20,000 individuals. Contributing Correspondent Gretchen Vogel joins podcast host Sarah Crespi to discuss the conflicts that have risen as the wolf population grows. Next on the show, Ph.D. student Carla Bassil talks about designing an e-nose that can hone in on important food smells such as chicken that has gone bad or the presence of allergens including pe…
How childhood environments shape the brain, and how susceptible is the Atlantic Ocean’s current to climate change?
Jun 11, 2026 · 32 min
First up on the podcast, producer Kevin McLean talks with Staff Writer Paul Voosen about the latest on the Atlantic Meridional Overturning Circulation, or AMOC. Researchers have long been concerned that global warming could cause a collapse in the AMOC, which would trigger dramatic cooling in Northern Europe. But recent data and models suggest the AMOC may be more resilient than previously thought. Next on the show, Scott Marek, assistant professor in the Mallinckrodt Institute of Radiology at W…
Will AI replace astronomers, how healthy are ultraprocessed foods, and a peek behind the scenes of ‘The Normals’
Jun 4, 2026 · 50 min
First up on the podcast, freelance science journalist Joshua Sokol talks about the intense discussion happening in the astrophysics community as artificial intelligence and machine learning become increasingly powerful—could “astronomer” stop being a job one day? Next on the show, as the Trump administration makes moves to regulate ultraprocessed foods, host Sarah Crespi talks with Faidon Magkos, a professor in obesity and metabolism in the department of nutrition, exercise, and sports at the Un…
Disembodied human brains, immortal bits of sea cucumber, and fame in Galileo’s time
May 28, 2026 · 45 min
First up on the podcast, a company is using whole brains—maintained with specialized life support—to study new drugs. Freelance science journalist Sara Reardon joins host Sarah Crespi to talk about the advantages and ethical considerations of keeping brains intact but inactive. Next on the show, when some lizards lose their tails, they might regenerate new ones. But what happens to the old tail? Whereas a castoff lizard tail quickly decomposes, this isn’t the case for the castoff tube feet of th…
USAID cuts linked to violence, unexpected parallels between humans and bacteria, and how to rule the world
May 21, 2026 · 41 min
First up on the podcast, Senior International Correspondent Richard Stone joins host Sarah Crespi to discuss the surprising commonalities between our immune systems and the tools bacteria use to defend themselves against viruses. These unexpected parallels have become rich ground for researchers investigating new molecular biology tools and model systems for immune research. Next on the show, Dominic Rohner, a professor of economics at the Geneva Graduate Institute and University of Lausanne, ta…
Fighting deepfakes, and using bacteria to deliver medicine inside the body
May 14, 2026 · 32 min
First up on the podcast, Meagan Cantwell produced a segment with Contributing Correspondent Kai Kupferschmidt on the fight against deepfakes. Kupferschmidt talks with Hany Farid, professor at the University of California, Berkeley, about the never-ending battle against fake imagery and why Farid is not giving up. Next on the show, building a tough, bio-compatible capsule for engineered bacteria. Tetsuhiro Harimoto talks about the challenges of keeping living bacteria inside a hydrogel capsule an…
A team effort to save a giant fish, the power of moonlight, and how scientists can navigate a tough political environment
May 7, 2026 · 54 min
First up on the podcast, along Brazil’s Juruá River, local residents have been working with scientists to manage a giant fish called the arapaima—affecting the land, the people, and the economy. Contributing Correspondent Warren Cornwall joins host Sarah Crespi to talk about this collaborative effort. Next on the show, how moonlight affects nocturnal animals. Carlos Camacho, a researcher at the Doñana Biological Station, talks about the Moon-inflected habits of a nighttime foraging bird, the red…
Watching a spiders’ heart beat, epigenetic ethics, and what science biographies reveal about fame
Apr 30, 2026 · 47 min
First up on the podcast, Online News Editor David Grimm shares a batch of fun stories with podcast host Sarah Crespi—from spider hearts racing when traffic gets loud to a disease-preventing house. Staff Writer Adrian Cho hops in to help discuss the possibility of black holes without singularities at their center. Next on the show, epigenetics has become a hot topic in pop science but the ethical conversation is not keeping up. The idea that parents can pass down epigenetic marks from environment…
Cleaning up uranium mining, and how the heart avoids cancer
Apr 23, 2026 · 31 min
First up on the podcast, freelance science and environmental journalist Quentin Septer joins host Sarah Crespi to talk about a controversial uranium mine getting fast-tracked in South Dakota. Septer chatted with locals, scientists, and regulators to learn more about the geology of the region and the promise of cleanup after the miners go home. Next on the show, looking at cells that don’t get cancer. Giulio Ciucci, a postdoctoral researcher at the International Centre for Genetic Engineering and…
The normals | Episode 3
Apr 21, 2026 · 33 min
The final of a three-part limited Science Podcast series that looks at the history of normal human subjects in research In episode two, we heard what happened to the normals program after church volunteers came to the U.S. National Institutes of Health’s Clinical Center—and were surprisingly happy despite going through sometimes-painful procedures. In the decades to follow, the program got bigger as government funding expanded and started to recruit more broadly, stepping away from specific reli…
How to keep quantum computers cool, whether prediction markets harm public health, and podcasting on podcasting
Apr 16, 2026 · 51 min
First up on the podcast, quantum computers require extremely low temperatures—less than 1°C away from absolute zero. But getting down to those temperatures has usually required dilution fridges using the extremely rare and increasingly expensive isotope helium-3. Freelance science journalist Zack Savitsky joins host Sarah Crespi to discuss up-and-coming technologies that can drive down temperatures while staying helium-3–free. Next on the show, Nizan Packin, a professor of law at the Zicklin Sch…
The Normals | Episode 2
Apr 14, 2026 · 27 min
Last time on The Normals, we learned that in the 1950s, the National Institutes of Health (NIH) wanted to recruit many healthy volunteers for basic research. Two peace churches, the Mennonites and the Church of the Brethren, had an excess of healthy human volunteers. The “Normals” recruited from these Anabaptist churches were surprisingly happy, even as they went through sometimes painful procedures. In this follow-up episode, we hear about how the sources of normal human subjects changed in the…
A chimpanzee ‘civil war,’ and NASA plans for nuclear propulsion
Apr 9, 2026 · 42 min
First up on the podcast, freelance science journalist Hannah Richter joins host Sarah Crespi to discuss NASA’s plans to send a nuclear-powered spacecraft to Mars in less than 3 years. Having not launched a fission reactor to space in more than 60 years, the organization faces many technical and bureaucratic hurdles to make that deadline. Next on the show, Aaron Sandel, associate professor in the Department of Anthropology at the University of Texas at Austin and co-director of the Ngogo Chimpanz…
The Normals | Episode 1
Apr 7, 2026 · 24 min
How do we know what's normal in a person? In the early 1950s, the National Institutes of Health (NIH) set out to do something unprecedented. It wanted to start studying normal humans on a grand scale. It had pretty much everything in place: It had the building, it had recruited all of these amazing researchers—it was the healthy human bodies NIH didn't have. How do we know what’s normal in a person? In the early 1950s, the U.S. National Institutes of Health (NIH) set out to do something unpreced…
Resolving the dispute over the speed of the expanding universe, and seeking new drug targets for cognitive dysfunction
Apr 2, 2026 · 34 min
First up on the podcast, a new path to calculating the Hubble constant. This value for the universe’s speed of expansion is typically determined in one of two ways, one favored by cosmologists, the other by astronomers. But the resulting values from these methods are consistently different. Staff Writer Daniel Clery joins host Sarah Crespi to discuss how reappearing bursts from deep space, lensed by gravity, could resolve the dispute over the speed of the expanding universe. Next on the show, fr…
Resurrection plants, Project Hail Mary, and the trouble with sycophantic AI
Mar 26, 2026 · 37 min
First up on the podcast, Deputy News Editor Martin Enserink talks about so-called resurrection plants. These specialized plants can survive up to 95% water loss, whereas most plants struggle when their water levels dip below 60%. We also hear from Jill Farrant, a professor of molecular and cell biology at the University of Cape Town, about her work dissecting the desiccation survival pathways in resurrection plants and how they might be repurposed to protect crop plants from drought. Next on the…
Rethinking the peopling of the Americas, and the best ways to get groundwater back
Mar 19, 2026 · 33 min
First up on the podcast, we discuss a finding that’s likely to reignite debate over how humans first spread through the Americas. In the late 1990s, a site in southern Chile called Monte Verde forced archaeologists to adjust their views of the peopling of South America because it dated to about 14,500 years before present, which challenged the prevailing idea of when human inhabitants appeared on the continent. Contributing Correspondent Lizzie Wade joins host Sarah Crespi to discuss new results…
What Alaska’s eroding coastline says about Earth’s future, and how Yellowstone ravens use their smarts to find wolf kills
Mar 12, 2026 · 43 min
First up on the podcast, freelance journalist Evan Howell traveled to Cape Blossom, Alaska, where the receding coastline has revealed an ancient trove of glacial ice that may have survived for 350,000 years—making it the oldest ice in the Northern Hemisphere. Now researchers just need to figure out how to date it. Next on the show, tracking wolves and ravens in Yellowstone National Park shows the birds don’t follow the wolves in hope of a meal, but instead remember and revisit frequent wolf kill…
An alleged nuclear blast may reignite weapons testing, and who owns the Moon
Mar 5, 2026 · 38 min
First up on the podcast, a peek into the roiling seas of U.S. science policy. ScienceInsider Editor Jocelyn Kaiser talks about shifting leadership at the National Science Foundation and the Centers for Disease Control and Prevention as well as a dip in funding rates by the National Institutes of Health. Staff Writer Robert F. Service covers proposed restrictions on access by international researchers and students to the National Institute of Standards and Technology. Contributing Correspondent W…
Tropical birds’ ‘silent spring,’ and mapping people’s brains during surgery
Feb 26, 2026 · 32 min
First up on the podcast, producer Meagan Cantwell talks to Contributing Correspondent Warren Cornwall about his visit to Brazil, where he observed firsthand what it takes for researchers to understand why bird populations in the Amazon and beyond are shrinking. Next on the show, Raouf Belkhir, an M.D.-Ph.D. student at the University of Pittsburgh School of Medicine and Carnegie Mellon University, joins host Sarah Crespi to discuss his Science Advances paper on a newly refined way to map awake pa…
Matching sounds to shapes, and stories from the AAAS annual meeting
Feb 19, 2026 · 41 min
First up on the podcast, Newsletter Editor Christie Wilcox, Associate Online News Editor Michael Greshko, and intern Perri Thaler share their experiences from the AAAS annual meeting in Phoenix. Christie recorded on location with David Rand regarding his prize-winning Science paper on using a large language model to combat conspiracy theories. Check out the live version of his team’s Debunk Bot. Michael chats with host Sarah Crespi about the foggy outlook of science in the United States as fundi…
Building better working dogs, and watching a black hole form
Feb 12, 2026 · 34 min
First up on the podcast, more than half of all dogs going through service animal training don’t make it to graduation. Producer Kevin McLean journeys with Online News Editor David Grimm to Canine Companions, one of the biggest organizations in the United States for training working dogs. At the facility, they meet puppies in preparation and learn about the behavioral testing and genetics that could be used to improve service animal schooling. Also appearing in this segment: Emily Bray, assistant…
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