Staff Writer Robert Service talks with host Sarah Crespi about a different approach to COVID-19 testing that might be useful in response to the high numbers of cases in the United States. To break chains of transmission and community spread, the new strategy would replace highly accurate but slow polymerase chain reaction (PCR) tests with cheaper, faster tests that are less accurate but can be administered frequently. Such tests cost between $1 and $3 compared with more than $100 for diagnostic ...
Aug 13, 2020•30 min
Staff Writer Meredith Wadman joins host Sarah Crespi to discuss the risk of the novel coronavirus infection to pregnant women . Early data suggest expectant women are more likely to get severe forms of the infection and require hospitalization. Meredith describes how the biology of pregnancy—such as changes to the maternal immune system and added stress on the heart and lungs—might explain the harsher effects of the virus. Also this week, Sarah talks with Gianluca Roscioli about his experiments ...
Aug 06, 2020•30 min
Science Editor-in-Chief Holden Thorp joins host Sarah Crespi to discuss his editorial on preventing vaccine hesitancy during the coronavirus pandemic. Even before the current crisis, fear of vaccines had become a global problem , with the World Health Organization naming it as one of the top 10 worldwide health threats in 2019. Now, it seems increasingly possible that many people will refuse to get vaccinated. What can public health officials and researchers do to get ahead of this issue? Also t...
Jul 30, 2020•38 min
Contributing Correspondent Dennis Normile talks about a long-term study involving the survivors of the Hiroshima and Nagasaki bombings . Seventy-five years after the United States dropped nuclear bombs on the two cities in Japan, survivors are still helping scientists learn about the effects of radiation exposure. Also this week, Sarah talks with Winnie Lau , senior manager for preventing ocean plastics at Pew Charitable Trusts about her group’s paper about what it would take to seriously fight ...
Jul 23, 2020•28 min
Contributing correspondent Gretchen Vogel talks about what can be learned from schools around the world that have reopened during the coronavirus pandemic . Unfortunately, few systematic studies have been done but observations of outbreaks in schools in places such as France or Israel do offer a few lessons for countries looking to send kids back to school soon. The United Kingdom and Germany have started studies of how the virus spreads in children and at school, but results are months away. In...
Jul 16, 2020•28 min
Contributing correspondent Kai Kupferschmidt talks with host Sarah Crespi about the success of a fast moving megatrial for coronavirus treatments. The UK’s RECOVERY (Randomized Evaluation of COVID-19 Therapy) trial has enrolled more than 12,000 hospitalized coronavirus patients since early March and has released important recommendations that were quickly taken up by doctors and scientists around the world. Kai discusses why such a large study is necessary and why other large drug trials like th...
Jul 09, 2020•27 min
First up this week, News Intern Rodrigo Pérez-Ortega talks with host Meagan Cantwell about an oasis of biodiversity in the striking blue pools of Cuatro Ciénegas , a basin in northern Mexico. Researchers have published dozens of papers exploring the unique microorganisms that thrive in this area, while at the same time fighting large agricultural industries draining the precious water from the pools. David Tatnell , a postgraduate researcher at the University of Exeter, talks with host Sarah Cre...
Jul 02, 2020•23 min
Kimberly Prather , an atmospheric chemist at the University of California, San Diego, who studies how ocean waves disperse virus-laden aerosols, joins host Sarah Crespi to talk about how she became an outspoken advocate for using masks to prevent coronavirus transmission. A related insight she wrote for Science has been downloaded more than 1 million times. Read Science ’s coronavirus coverage . Mikkel Sinding , a postdoctoral fellow at Trinity College Dublin, talks sled dog genes with Sarah. Af...
Jun 25, 2020•44 min
Senior Correspondent Jeffrey Mervis joins host Sarah Crespi to talk about how universities are dealing with the financial crunch brought on by the coronavirus . Jeff discusses how big research universities are balancing their budgets as federal grants continue to flow, but endowments are down and so is the promise of state funding. Read all our coronavirus coverage . Mosquito-borne infections like Zika, dengue, malaria, and chikungunya cause millions of deaths each year. Nicole Culbert and colle...
Jun 18, 2020•28 min
Staff Writer Kelly Servick joins host Sarah Crespi to talk about the ins and outs of coronavirus contact tracing apps —what they do, how they work, and how to calculate whether they are crushing the curve. Read all our coronavirus coverage . Edward Gregr , a postdoctoral fellow at the Institute for Resources, Environment, and Sustainability at the University of British Columbia, Vancouver, talks with Sarah about the controversial reintroduction of sea otters to the Northern Pacific Ocean —their ...
Jun 11, 2020•29 min
First up this week, staff writer Meredith Wadman talks with host Sarah Crespi about how male sex hormones may play a role in higher levels of severe coronavirus infections in men. New support for this idea comes from a study showing high levels of male pattern baldness in hospitalized COVID-19 patients. Read all our coronavirus coverage . Next, Jason Qian , a Ph.D. student in the systems biology department at Harvard Medical School, joins Sarah to talk about an object-tracking system that uses b...
Jun 04, 2020•28 min
First up this week, Staff Writer Jennifer Couzin-Frankel talks with host Sarah Crespi about a rare inflammatory response in children that has appeared in a number of COVID-19 hot spots. Next, Julian Dowdeswell , director of the Scott Polar Research Institute and professor of physical geography at the University of Cambridge, talks with producer Meagan Cantwell about tracing the retreat of Antarctica's glaciers by examining the ocean floor. Finally, Kiki Sanford interviews author Danny Dorling ab...
May 28, 2020•43 min
Online news editor David Grimm talks with producer Joel Goldberg about the unique challenges of reopening labs amid the coronavirus pandemic . Though the chance to resume research may instill a sense of hope, new policies around physical distancing and access to facilities threaten to derail studies—and even careers. Despite all the uncertainty, the crisis could result in new approaches that ultimately benefit the scientific community, and the world. Also this week, Joel Podgorski , a senior sci...
May 21, 2020•25 min
Contributing Correspondent Lizzie Wade talks with host Sarah Crespi about the role of inequality in past pandemics . Evidence from medical records and cemeteries suggests diseases like the 1918 flu, smallpox, and even the Black Death weren’t indiscriminately killing people—instead these infections caused more deaths in those with less money or status. Also this week, Aaron Wech , a research geophysicist for the U.S. Geological Survey at the Alaska Volcano Observatory, joins Sarah to talk about r...
May 14, 2020•28 min
Staff writer Jon Cohen joins host Sarah Crespi to talk about using monoclonal antibodies to treat or prevent infection by SARS-CoV-2. Many companies and researchers are rushing to design and test this type of treatment , which proved effective in combating Ebola last year. And Karen Holl , a professor of environmental studies at the University of California, Santa Cruz, joins Sarah to discuss the proper planning of tree planting campaigns. It turns out that just putting a tree in the ground is n...
May 07, 2020•25 min
Staff Writer Jocelyn Kaiser joins Sarah to talk about a recent Science paper describing the results of a large study on a blood test for multiple types of cancer . The trial’s results suggest such a blood test combined with follow-up scans may help detect cancers early, but there is a danger of too many false positives. And postdoctoral researcher Timo Reinhold of the Max Planck Institute for Solar System Research joins Sarah to talk about his paper on how the Sun is a lot less variable in its m...
Apr 30, 2020•21 min
Coronavirus affects far more than just the lungs, and doctors and researchers in the midst of the pandemic are trying to catalog—and understand—the virus’ impact on our bodies. Staff writer Meredith Wadman joins host Sarah Crespi to discuss what we know about how COVID-19 kills . See all Science news coverage of the pandemic here , and all research papers and editorials here . Also this week, staff writer Paul Voosen talks with Sarah about quantum diamond microscopes . These new devices are able...
Apr 23, 2020•25 min
Contributing Correspondent Kai Kupferschmidt talks with host Sarah Crespi about countries planning a comeback from a coronavirus crisis . What can they do once cases have slowed down to go back to some sort of normal without a second wave of infection? See all of our News coverage of the pandemic here . See all of our Research and Editorials here . As part of a drought special issue of Science , Contributing Correspondent Lizzie Wade joins Sarah to talk about water management and the downfall of...
Apr 16, 2020•35 min
On this week’s show, Staff Writer Robert Service talks with host Sarah Crespi about a new National Academy of Sciences report that suggests the novel coronavirus can go airborne, the evidence for this idea, and what this means for the mask-wearing debate. See all of our News coverage of the pandemic here . See all of our Research and Editorials here . Also this week, Staff Writer Jennifer Couzin-Frankel joins Sarah to talk about a burgeoning understanding of the biological roots of anorexia nerv...
Apr 09, 2020•26 min
On this week’s show, Contributing Correspondent Kai Kupferschmidt talks with host Sarah Crespi about modeling coronavirus spread and the role of forecasts in national lockdowns and other pandemic policies. They also talk about the launch of a global trial of promising treatments . See all of our News coverage of the pandemic here . See all of our Research and Editorials here . Also this week, Nadine Gogolla , research group leader at the Max Planck Institute of Neurobiology, talks with Sarah abo...
Apr 02, 2020•32 min
On this week’s show, host Joel Goldberg gets an update on the coronavirus pandemic from Senior Correspondent Jon Cohen. In addition, Cohen gives a rundown of his latest feature , which highlights the relationship between diseases and changing seasons—and how this relationship relates to a potential coronavirus vaccine. Also this week, from a recording made at this year’s AAAS annual meeting in Seattle, host Meagan Cantwell speaks with Alexandra Maertens , director of the Green Toxicology initiat...
Mar 26, 2020•31 min
On this week’s show, host Joel Goldberg talks with science journalist Andrew Curry about recent archaeological finds along the shores of Northern Europe . Curry outlines the rich history of the region that scientists, citizen scientists, and energy companies have helped dredge up. Also this week, from a recording made at this year’s AAAS annual meeting, host Meagan Cantwell speaks with Elizabeth Margulis , a professor at Princeton University, about musical memory . Margulis dives into several mu...
Mar 19, 2020•25 min
On this week’s show, freelance writer Christa Lesté-Lasserre talks with host Sarah Crespi about the scientists working on the restoration of Notre Dame , from testing the changing weight of wet limestone, to how to remove lead contamination from four-story stained glass windows. As the emergency phase of work winds down, scientists are also starting to use the lull in tourist activity to investigate the mysteries of the cathedral’s construction. Also this week, Felipe Quiroz , an assistant profe...
Mar 12, 2020•33 min
On this week’s show, Online News Editor David Grimm joins host Sarah Crespi to discuss how dogs’ cold noses may be able to sense warm bodies . Read the research . International News Editor Martin Enserink shares the latest from our reporters covering coronavirus . And finally, from a recording made at this year’s AAAS annual meeting, host Meagan Cantwell talks with Jill Tarter , chair emeritus at the SETI Institute, about the newest technologies being used to search for alien life , what a posit...
Mar 05, 2020•33 min
This week on the podcast, Contributing Correspondent Lizzie Wade joins host Sarah Crespi to discuss a turning point for one ancient Mesoamerican city: Tikal. On 16 January 378 C.E., the Maya city lost its leader and the replacement may have been a stranger. We know from writings that the new leader wore the garb of another culture—the Teotihuacan—who lived in a giant city 1000 kilometers away. But was this new ruler of a Maya city really from a separate culture ? New techniques being used at the...
Feb 27, 2020•47 min
On this week’s show, staff writer Robert F. Service talks with host Sarah Crespi about manipulating microbes to make them produce building materials like bricks—and walls that can take toxins out of the air . Sarah also talks with Paul Davids , principal member of the technical staff in applied photonics & microsystems at Sandia National Laboratories, about an innovation in converting waste heat to electricity that uses similar materials to solar cells but depends on quantum tunneling. And i...
Feb 20, 2020•33 min
On this week’s show, senior correspondent Jeffrey Mervis joins host Sarah Crespi to discuss a new National Institutes of Health (NIH) grant program that aims to encourage diversity at the level of university faculty with the long-range goal of increasing the diversity of NIH-grant recipients. Sarah also talks with Pierre Gagnepain, a cognitive neuroscientist at INSERM, the French biomedical research agency, about the role of memory suppression in post-traumatic stress disorder . Could people tha...
Feb 13, 2020•27 min
On this week’s show, Staff Writer Jennifer Couzin-Frankel joins host Sarah Crespi to talk about a Science paper that combines two hot areas of research-link—CRISPR gene editing and immunotherapy for cancer—and tests it in patients. Sarah also talks with Damien Finch , a Ph.D. candidate in the School of Earth Sciences at the University of Melbourne, about the Kimberly region of Australia and dating its ice age cave paintings using charcoal from nearby wasp nests. Episode page This week’s episode ...
Feb 06, 2020•27 min
Structural biologists rejoiced when cryo–electron microscopy, a technique to generate highly detailed models of biomolecules, emerged. But years after its release, researchers still face long queues to access these machines. Science ’s European News Editor Eric Hand walks host Meagan Cantwell through the journey of a group of researchers to create a cheaper, more accessible alternative. Also this week, host Joel Goldberg speaks with psychiatrist and researcher Goodman Sibeko, who worked with the...
Jan 30, 2020•22 min
As part of a special issue on chemicals for tomorrow’s Earth, we’ve got two green chemistry stories. First, host Sarah Crespi talks with contributing correspondent Warren Cornwell about how a company came up with a replacement for the popular can lining material bisphenol A and then recruited knowledgeable critics to test its safety. Sarah is also joined by Beate Escher of the Helmholtz Centre for Environmental Research and the University of Tübingen to discuss ways to trace complex mixtures of ...
Jan 23, 2020•27 min