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Weekly podcasts from Science Magazine, the world's leading journal of original scientific research, global news, and commentary.

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  • Folge vom 09.07.2020
    A fast moving megatrial for coronavirus treatments, and transferring the benefits of exercise by transferring blood
    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 the WHO’s SOLIDARITY trial are lagging behind. Also this week, producer Meagan Cantwell talks with Saul Villeda, a professor in the Department of Anatomy at University of California, San Francisco, about transferring the beneficial effects of exercise on the brain from an active mouse to a sedentary mouse by transferring their blood. This week’s episode was produced with help from Podigy. Listen to previous podcasts About the Science Podcast Download a transcript (PDF) [Image: eyesplash/Flickr; Music: Jeffrey Cook] Authors: Sarah Crespi; Meagan Cantwell; Kai Kupferschmidt Learn more about your ad choices. Visit megaphone.fm/adchoices
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  • Folge vom 02.07.2020
    An oasis of biodiversity a Mexican desert, and making sound from heat
    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 Crespi about using heat to make sound, a phenomenon known as thermoacoustics. Just like the sound of fire or thunder, sudden changes in temperature can create sound waves. In his team’s paper in Science Advances, Tatnell and colleagues describe a thermoacoustic speaker that uses thin, heated films to make sound. This approach cuts out the crosstalk seen in mechanical speakers and allows for extreme miniaturization of sound production. In the ultrasound range, arrays of thermoacoustic speakers could improve acoustic levitation and ultrasound imaging. In the hearing range, the speakers could be made extremely small, flexible, and even transparent.  This week’s episode was produced with help from Podigy. Listen to previous podcasts. About the Science Podcast  ++ [Image: David Jaramillo; Music: Jeffrey Cook] Authors: Meagan Cantwell; Rodrigo Pérez-Ortega, Sarah Crespi Learn more about your ad choices. Visit megaphone.fm/adchoices
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  • Folge vom 25.06.2020
    Stopping the spread of COVID-19, and arctic adaptations in sled dogs
    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. After comparing the genomes of modern dogs, Greenland sled dogs, and an ancient dog jaw bone found on a remote Siberian island where dogs may have pulled sleds some 9500 years ago, they found that modern Greenland dogs—which are still used to pull sleds today—have much in common with this ancient Siberian ancestor. Those similarities include genes related to eating high-fat diets and cold-sensing genes previously identified in woolly mammoths. In this month's book segment, Kiki Sanford talks with Rutger Bregman about his book, Humankind: A Hopeful History which outlines a shift in the thinking of many social scientists to a view of humans as more peaceful than warlike. This week’s episode was produced with help from Podigy. Listen to previous podcasts. About the Science Podcast Download a transcript (PDF). [Image: Muhammad Mahdi Karim/Wikipedia; Music: Jeffrey Cook] Authors: Sarah Crespi; Episode page: https://www.sciencemag.org/podcast/stopping-spread-covid-19-and-arctic-adaptations-sled-dogs Learn more about your ad choices. Visit megaphone.fm/adchoices
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      Radio hören mit phonostar Help layer phonostarplayer Um Radio anzuhören, stehen dir bei phonostar zwei Möglichkeiten zur Verfügung: Entweder hörst du mit dem Online-Player direkt in deinem Browser, oder du nutzt den phonostar-Player. Der phonostar-Player ist eine kostenlose Software für PC und Mac, mit der du Radio unabhängig von deinem Browser finden, hören und sogar aufnehmen kannst. ›››› phonostar-Player gratis herunterladen X
  • Folge vom 18.06.2020
    Coronavirus spreads financial turmoil to universities, and a drone that fights mosquito-borne illnesses
    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 colleges write this week in Science Robotics about a new way to deal with deadly mosquitoes—using drones. The drones are designed to drop hundreds of thousands of sterile male mosquitoes in areas with high risk of mosquito-borne illness. The idea is that sterile male mosquitoes will mate with females and the females then lay infertile eggs, which causes the population to decline. They found this drone-based approach is cheaper and more efficient than other methods of releasing sterile mosquitoes and does not have the problems associated with pesticide-based eradication efforts such as resistance and off-target effects. This week’s episode was produced with help from Podigy. Listen to previous podcasts. About the Science Podcast Download a transcript (PDF). Episode page: https://www.sciencemag.org/podcast/coronavirus-spreads-financial-turmoil-universities-and-drone-fights-mosquito-borne-illnesses   ++ [Image: Muhammad Mahdi Karim/Wikipedia; Music: Jeffrey Cook] Authors: Sarah Crespi; Jeffrey Mervis Learn more about your ad choices. Visit megaphone.fm/adchoices
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