First up this week, we hear about caves on the Moon, a shake-up at Pompeii, and the iron-lined teeth of the Komodo dragon. Reporter Phie Jacobs joins host Sarah Crespi to discuss these news stories and more from our daily newsletter, ScienceAdviser. Next on the show, electron microscopes allow us to view a world inaccessible to light—at incredible resolution and tiny scales. But bombarding samples with a beam of electrons has downsides. The high-energy electrons used for visualizing minute struc...
Aug 01, 2024•29 min•Transcript available on Metacast Tackling air pollution—indoors and outdoors, how burned-up satellites in the atmosphere could destroy ozone, and the latest in our series of books on a future to look forward to First up this week, Science Senior Editor Michael Funk joins host Sarah Crespi to talk about the magazine’s special issue on air pollution. The two discuss the broad scope of air pollution, from home cooking to transmissible disease. Next, how burned-up satellites may cause pollution problems as megaconstellations take t...
Jul 25, 2024•47 min•Transcript available on Metacast First up this week, Staff Writer Adrian Cho talks with host Sarah Crespi about a fusion company that isn’t aiming for net energy. Instead, it’s looking to sell off the high-energy neutrons from its fusion reactors for different purposes, such as imaging machine parts and generating medical isotopes. In the long run, the company hopes to use money from these neutron-based enterprises for bigger, more energetic reactors that may someday make fusion energy. Next, we hear from Tian Du, a Ph.D. candi...
Jul 18, 2024•32 min•Transcript available on Metacast Rodenticides are building up inside unintended targets, including birds, mammals, and insects; and bringing bioacoustics and artificial intelligence together for ecology First up this week, producer Kevin McLean and freelance science journalist Dina Fine Maron discuss the history of rodent control and how rat poisons are making their way into our ecosystem. Next on the episode, host Sarah Crespi talks with Jeppe Rasmussen, a postdoctoral fellow in the behavior ecology group at the University of ...
Jul 11, 2024•36 min•Transcript available on Metacast First up this week, guest host Kevin McLean talks to freelance writer Andrew Zaleski about recent advancements in the world of synthetic blood. They discuss some of the failed attempts over the past century that led many to abandon the cause altogether, and a promising new option in the works called ErythroMer that is both shelf stable and can work on any blood type. Next on the episode, producer Zakiya Whatley talks to Aaron Weimann from the University of Cambridge about the evolutionary histor...
Jul 04, 2024•32 min•Transcript available on Metacast Guest host Meagan Cantwell talks to Staff Writer Erik Stokstad about a new weapon against crop-destroying beetles. By making pesticides using RNA, farmers can target pests and their close relatives, leaving other creatures unharmed. Next, freelance producer Katherine Irving talks to hydrologist Craig Brinkerhoff about a recent analysis of ephemeral streams—which are only around temporarily—throughout the United States. Despite their fleeting presence, Brinkerhoff and his colleagues found these s...
Jun 27, 2024•50 min•Transcript available on Metacast On this week’s show: Scientists are expanding the hunt for habitable exoplanets to bigger worlds, and why improvements in air quality have stagnated in Los Angeles, especially during summer, despite cleaner cars and increased regulations Staff Writer Daniel Clery joins producer Meagan Cantwell to talk through the major contenders for habitable exoplanets—from Earth-like rocky planets to water worlds. Preliminary results from two rocky exoplanets have some researchers concerned about whether they...
Jun 20, 2024•32 min•Transcript available on Metacast On this week’s show: Companion animals such as dogs occupy the same environment we do, which can make them good sentinels for human health, and DNA gives clues to ancient Maya rituals and malaria’s global spread Contributing Correspondent Andrew Curry joins host Sarah Crespi to discuss two very different studies that used DNA to dig into our past. One study reveals details of child sacrifices in an ancient Maya city. The other story is on the surprising historical reach of malaria, from Belgium ...
Jun 13, 2024•42 min•Transcript available on Metacast Despite not having a known function, cellular “vaults” are on the verge of being harnessed for all kinds of applications, and looking at the evolution of brown fat into a heat-generating organ First on this week’s show, Managing News Editor John Travis joins host Sarah Crespi to discuss mysterious cellular complexes called “vaults.” First discovered in the 1980s, scientists have yet to uncover the function of these large, common, hollow structures. But now some researchers are looking to use vau...
Jun 06, 2024•38 min•Transcript available on Metacast Studying color vision in with children who gain sight later in life, joining a cancer trial doesn’t improve survival odds, and the first in our books series this year First on this week’s show, Staff Writer Jennifer Couzin-Frankel joins host Sarah Crespi to discuss the pros and cons of participating in clinical trials. Her story challenges the common thinking that participating in a trial is beneficial—even in the placebo group—for cancer patients. Next, Lukas Vogelsang, a postdoctoral fellow in...
May 30, 2024•45 min•Transcript available on Metacast A roundup of online news stories featuring animals, and researchers get crows to “count” to four This week’s show is all animals all the time. First, Online News Editor Dave Grimm joins host Sarah Crespi to discuss stepping on venomous snakes for science, hunting ice age cave bears, and demolishing lizardlike buildings. Next, producer Kevin McLean talks with Diana Liao, a postdoctoral researcher at the University of Tübingen, about teaching crows to count out loud. They discuss the complexity of...
May 23, 2024•34 min•Transcript available on Metacast On this week’s show: What happens when the body’s own immune system attacks the brain, and how otters’ use of tools expands their diet First on the show this week, when rogue antibodies attack the brain, patients can show bizarre symptoms—from extreme thirst, to sleep deprivation, to outright psychosis. Contributing Correspondent Richard Stone joins host Sarah Crespi to discuss the hunt for biomarkers and treatments for this cluster of autoimmune disorders that were once mistaken for schizophren...
May 16, 2024•33 min•Transcript available on Metacast Jupiter’s moon Io has likely been volcanically active since the start of the Solar System, and a proposal to safeguard healthy human subjects in clinical trials First on the show this week, a look at proposed protections for healthy human subjects, particularly in phase 1 clinical trials. Deputy News Editor Martin Enserink joins host Sarah Crespi to discuss the risks healthy participants face when involved in early testing of drugs for safety and tolerance. Then, we hear about a project to estab...
May 09, 2024•30 min•Transcript available on Metacast Bringing historical seismic reports and modern seismic risk maps into alignment, and a roundup of stories from our newsletter, ScienceAdviser First on the show this week, a roundup of stories with our newsletter editor, Christie Wilcox. Wilcox talks with host Sarah Crespi about the oldest ice ever found, how well conservation efforts seem to be working, and repelling mosquitoes with our skin microbes. Next on this episode, evaluating seismic hazard maps. In a Science Advances paper this week, Le...
May 02, 2024•25 min•Transcript available on Metacast Researchers try to identify effective loneliness interventions, making the Sandmeyer safer, and books that look to the future and don’t see doom and gloom First up on the show, Deputy News Editor Kelly Servick explores the science of loneliness. Is loneliness on the rise or just our awareness of it? How do we deal with the stigma of being lonely? Also appearing in this segment: ● Laura Coll-Planas ● Julianne Holt-Lunstad ● Samia Akhter-Khan Next, producer Ariana Remmel talks with Tim Schulte, a ...
Apr 25, 2024•43 min•Transcript available on Metacast A different source of global warming, signs of a continentwide tradition of human sacrifice, and a virus that attacks the cholera bacteria First up on the show this week, clearer skies might be accelerating global warming. Staff Writer Paul Voosen joins host Sarah Crespi to discuss how as air pollution is cleaned up, climate models need to consider the decrease in the planet’s reflectivity. Less reflectivity means Earth is absorbing more energy from the Sun and increased temps. Also from the new...
Apr 18, 2024•38 min•Transcript available on Metacast ]Researchers are testing HIV drugs and monoclonal antibodies against long-lasting COVID-19, and what it takes to turn a symbiotic friend into an organelle First up on the show this week, clinical trials of new and old treatments for Long Covid. Producer Meagan Cantwell is joined by Staff Writer Jennifer Couzin-Frankel and some of her sources to discuss the difficulties of studying and treating this debilitating disease. People in this segment: · Michael Peluso · Sara Cherry · Shelley Hayden Next...
Apr 11, 2024•33 min•Transcript available on Metacast Tracing the arrival of rats using bones, isotopes, and a few shipwrecks; and what scientists have learned in 50 years about our famous ancestor Lucy First on the show: Did rats come over with Christopher Columbus? It turns out, European colonists weren’t alone on their ships when they came to the Americas—they also brought black and brown rats to uninfested shores. Eric Guiry, a researcher in the Trent Environmental Archaeology Lab at Trent University, joins host Sarah Crespi to discuss how tiny...
Apr 04, 2024•31 min•Transcript available on Metacast Robots that can smile in synchrony with people, and what ends up in the letters section First on this week’s show, a robot that can predict your smile. Hod Lipson, a roboticist and professor at Columbia University, joins host Sarah Crespi to discuss how mirrors can help robots learn to make facial expressions and eventually improve robot nonverbal communication. Next, we have Margaret Handley, a professor in the department of epidemiology and biostatistics and medicine at the University of Calif...
Mar 28, 2024•30 min•Transcript available on Metacast New clinical trials for treatments of an always fatal brain disease, and what happens with pests when a conventional and organic farm are neighbors First up on this week’s show, a new treatment to stave off prion disease goes into clinical trials. Prions are misfolded proteins that clump together and chew holes in the brain. The misfolding can be switched on in a number of ways—including infection with a misfolded prion protein from an animal or person. Staff Writer Meredith Wadman talks with ho...
Mar 21, 2024•36 min•Transcript available on Metacast Investigating “infantile amnesia,” and how generalized fear after acute stress reflects changes in the brain This week we have two neuroscience stories. First up, freelance science journalist Sara Reardon looks at why infants’ memories fade. She joins host Sarah Crespi to discuss ongoing experiments that aim to determine when the forgetting stops and why it happens in the first place. Next on the show, Hui-Quan Li, a senior scientist at Neurocrine Biosciences, talks with Sarah about how the brai...
Mar 14, 2024•29 min•Transcript available on Metacast What modern Indian genomes say about the region’s deep past, and how vitamin A influences stem cell plasticity First up this week, Online News Editor Michael Price and host Sarah Crespi talk about a large genome sequencing project in India that reveals past migrations in the region and a unique intermixing with Neanderthals in ancient times. Next on the show, producer Kevin McLean chats with Matthew Tierney, a postdoctoral fellow at Rockefeller University, about how vitamin A and stem cells work...
Mar 07, 2024•30 min•Transcript available on Metacast Keeping water out of the stratosphere could be a low-risk geoengineering approach, and using magnets to drive medical robots inside the body First up this week, a new approach to slowing climate change: dehydrating the stratosphere. Staff Writer Paul Voosen joins host Sarah Crespi to discuss the risks and advantages of this geoengineering technique. Next on the show, Science Robotics Editor Amos Matsiko gives a run-down of papers in a special series on magnetic robots in medicine. Matsiko and Cr...
Feb 29, 2024•30 min•Transcript available on Metacast On this week’s show: Factors that pushed snakes to evolve so many different habitats and lifestyles, and news from the AAAS annual meeting First up on the show this week, news from this year’s annual meeting of AAAS (publisher of Science) in Denver. News intern Sean Cummings talks with Danielle Wood, director of the Space Enabled Research Group at the Massachusetts Institute of Technology, about the sustainable use of orbital space or how space exploration and research can benefit everyone. And ...
Feb 22, 2024•48 min•Transcript available on Metacast Why squeezing a blueberry doesn’t get you blue juice, and a myth buster and a science editor walk into a bar First up on the show this week, MythBusters’s Adam Savage chats with Science Editor-in-Chief Holden Thorp about the state of scholarly publishing, better ways to communicate science, plus a few myths Savage still wants to tackle. Next on the show, making blueberries without blue pigments. Rox Middleton, a postdoctoral fellow at the Dresden University of Technology and honorary research as...
Feb 15, 2024•46 min•Transcript available on Metacast More than 200 materials could be “altermagnets,” and the impact of odiferous pollutants on nocturnal plant-pollinator interactions First up on the show this week, researchers investigate a new kind of magnetism. Freelance science journalist Zack Savitsky joins host Sarah Crespi to talk about recent evidence for “altermagnetism” in nature, which could enable new types of electronics. Next on the show, producer Meagan Cantwell talks with Jeremy Chan, a postdoctoral researcher at the University of ...
Feb 08, 2024•31 min•Transcript available on Metacast A remote island may hold clues for the future of El Niño and La Niña under climate change, and how pressure in the blood sends messages to neurons First up, researchers are digging into thousands of years of coral to chart El Niño’s behavior over time. Producer Kevin McLean talks with Staff Writer Paul Voosen about his travels to the Pacific island of Vanuatu to witness the arduous task of reef drilling. Next on the show, host Sarah Crespi talks with Veronica Egger, a professor of neurophysiolog...
Feb 01, 2024•30 min•Transcript available on Metacast On this week’s show: A roundup of stories from our daily newsletter, and the ripple effects of the invasive big-headed ant in Kenya First up on the show, Science Newsletter Editor Christie Wilcox joins host Sarah Crespi to talk about snake venom antidotes, a surprising job for a hangover enzyme, and crustaceans that spin silk. Next on the show, the cascading effects of an invading ant. Douglas Kamaru, a Ph.D. student in the Department of Zoology & Physiology at the University of Wyoming, discuss...
Jan 25, 2024•28 min•Transcript available on Metacast Investigation shows journal editors getting paid to publish bunk papers, and new techniques for finding tumor DNA in the blood First up on this week’s episode, Frederik Joelving, an editor and reporter for the site Retraction Watch, talks with host Sarah Crespi about paper mills—organizations that sell authorship on research papers—that appear to be bribing journal editors to publish bogus articles. They talk about the drivers behind this activity and what publishers can do to stop it. Next, pro...
Jan 19, 2024•36 min•Transcript available on Metacast Assessing environmental damage during wartime, and tracking signaling between fetus and mother First up, freelance journalist Richard Stone returns with news from his latest trip to Ukraine. This week, he shares stories with host Sarah Crespi about environmental damage from the war, particularly the grave consequences of the Kakhovka Dam explosion. Next, producer Kevin McLean talks with researcher Nardhy Gomez-Lopez, a professor in the department of obstetrics and gynecology and pathology and im...
Jan 11, 2024•44 min•Transcript available on Metacast 
