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Science Magazine Podcast

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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 15.08.2019
    One million ways to sex a chicken egg, and how plastic finds its way to Arctic ice
    Researchers, regulators, and the chicken industry are all united in their search for a way to make eggs more ethical by stopping culling—the killing of male chicks born to laying hens. Contributing Correspondent Gretchen Vogel talks with host Sarah Crespi about the many approaches being tried to determine the sex of chicken embryos before they hatch, from robots with lasers, to MRIs, to artificial intelligence, to gene editing with CRISPR. Also this week, Sarah talks with Melanie Bergmann, a marine biologist at the Alfred Wegener Institute for Polar and Marine Research in Bremerhaven, Germany, about finding microplastic particles in snow all the way up at the Fram Strait, between Greenland and the Svalbarg archipelago in Norway. This week’s episode was edited by Podigy. Download a transcript (PDF) Ads on this week’s show: Science Sessions podcast; National Highway Traffic Safety Administration Listen to previous podcasts. About the Science Podcast [Image: fruchtzwerg’s world/Flickr; Music: Jeffrey Cook] Learn more about your ad choices. Visit megaphone.fm/adchoices
    Jetzt anhören
    • im Online-Player
    • im phonostar-Player
    • Was ist das?
      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 08.08.2019
    Next-generation cellphone signals could interfere with weather forecasts, and monitoring smoke from wildfires to model nuclear winter
    In recent months, telecommunications companies in the United States have purchased a new part of the spectrum for use in 5G cellphone networks. Weather forecasters are concerned that these powerful signals could swamp out weaker signals from water vapor—which are in a nearby band and important for weather prediction. Freelance science writer Gabriel Popkin joins host Sarah Crespi to talk about the possible impact of cellphone signals on weather forecasting and some suggested regulations. In other weather news this week, Sarah talks with Pengfei Yu, a professor at Jinan University in Guangzhou, China, about his group’s work using a huge smoke plume from the 2017 wildfires in western Canada as a model for smoke from nuclear bombs. They found the wildfire smoke lofted itself 23 kilometers into the stratosphere, spread across the Northern Hemisphere, and took 8 months to dissipate, which line up with models of nuclear winter and suggests these fires can help predict the results of a nuclear war. This week’s episode was edited by Podigy. Ads on this week’s show: KiwiCo.com Download the transcript (PDF)  Listen to previous podcasts. About the Science Podcast Learn more about your ad choices. Visit megaphone.fm/adchoices
    Jetzt anhören
    • im Online-Player
    • im phonostar-Player
    • Was ist das?
      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 01.08.2019
    Earthquakes caused by too much water extraction, and a dog cancer that has lived for millennia
    After two mysterious earthquake swarms occurred under the Sea of Galilee, researchers found a relationship between these small quakes and the excessive extraction of groundwater. Science journalist Michael Price talks with host Sarah Crespi about making this connection and what it means for water-deprived fault areas like the Sea of Galilee and the state of California. Also this week, Sarah talks with graduate student Adrian Baez-Ortega from the University of Cambridge in the United Kingdom’s Transmissible Cancer Group about the genome of a canine venereal cancer that has been leaping from dog to dog for about 8000 years. By comparing the genomes of this cancer from dogs around the globe, the researchers were able to learn more about its origins and spread around the world. They also discuss how such a long-lived cancer might help them better understand and treat human cancers. This week’s episode was edited by Podigy. Ads on this week’s show: Science Sessions podcast from the Proceedings of the National Academy of Sciences Download the transcript (PDF) Listen to previous podcasts. About the Science Podcast Learn more about your ad choices. Visit megaphone.fm/adchoices
    Jetzt anhören
    • im Online-Player
    • im phonostar-Player
    • Was ist das?
      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 25.07.2019
    Breeding better bees, and training artificial intelligence on emotional imagery
    Imagine having a rat clinging to your back, sucking out your fat stores. That’s similar to what infested bees endure when the Varroa destructor mite comes calling. Some bees fight back, wiggling, scratching, and biting until the mites depart for friendlier backs. Now, researchers, professional beekeepers, and hobbyists are working on ways to breed into bees these mite-defeating behaviors to rid them of these damaging pests. Host Sarah Crespi and Staff Writer Erik Stokstad discuss the tactics of, and the hurdles to, pesticide-free mite control. Also this week, Sarah talks to Philip Kragel of the Institute of Cognitive Science at the University of Colorado in Boulder about training an artificial intelligence on emotionally charged images. The ultimate aim of this research: to understand how the human visual system is involved in processing emotion. And in books, Kate Eichorn, author of The End of Forgetting: Growing Up with Social Media, joins books host Kiki Sanford to talk about how the monetization of digital information has led to the ease of social media sharing and posting for kids and adults. This week’s episode was edited by Podigy. Download a transcript (PDF)  Listen to previous podcasts. About the Science Podcast [Image: Steve Baker/Flickr; Music: Jeffrey Cook] Learn more about your ad choices. Visit megaphone.fm/adchoices
    Jetzt anhören
    • im Online-Player
    • im phonostar-Player
    • Was ist das?
      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