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Science Friday

Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.

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  • Folge vom 05.10.2018
    Dung Beetles, Exomoon, Poison Squad. Oct 5, 2018, Part 2
    Before the U.S. Food and Drug Administration was formed in 1906, you might have been more weary of pouring milk over your morning cereal. Milk could be spiked with formaldehyde, while pepper could contain coconut shells, charred rope or floor sweepings. In 1883, Dr. Harvey Washington Wiley, who was appointed chief chemist of the Federal Agriculture Department, began to investigate how manufacturers used additives and unhealthy practices in food—and pulled together “The Poison Squad.” Author Deborah Blum talks about how Wiley along with other scientists, journalists, and advocates fought for the health and safety of the general public.  In the past few years, the field of exoplanet discovery has really taken off. But this week, astronomers writing in the journal Science Advances up the ante—describing the possible discovery not of an exoplanet, but of a Neptune-sized moon orbiting an exoplanet. Alex Teachey, co-author of the paper and a graduate student in astronomy at Columbia University, joins Ira to talk about how the observations were performed, and the challenges of the hunt for exomoons. Plus, did you know that some dung beetles carry parasites on their genital—and it may not necessarily be a bad thing? While dung beetles put up with a lot of crap, it’s hard to imagine what good could come from a relationship with a parasite. Cristina Ledón-Rettig, Assistant Research Scientist at Indiana University, joins Ira to discuss her work. Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374 Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
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  • Folge vom 05.10.2018
    Nobels, Argument Logic. Oct 5, 2018, Part 1
    This week the fields of physics, chemistry, physiology, and medicine awarded its top scientists with its highest honor, the Nobel Prize. And this year, the annual celebration of scientific greatness was punctuated by a historic achievement: For the first time ever two female scientists won the award for both physics and chemistry, Dr. Donna Strickland and Dr. Frances Arnold. Dr. Arnold joins Ira to discuss her award and the legacy of female Nobel laureates. While most of us might think we’re logical people, we still butt heads when trying to persuade people we disagree with. So how can we solve seemingly insurmountable barriers? Abstract mathematician Eugenia Cheng is the author of a new book about how logic can help us agree—or at least disagree more helpfully. She walks Ira through the fallacies, axioms, and even emotions that can inform our arguments. Plus: Sarah Kaplan, science reporter at the Washington Post, joins Ira to talk about this year’s Nobel Prizes and efforts to make the awards more representative of the diversity in science, and other top science headlines, in this week's News Round-up. Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374 Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
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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 28.09.2018
    Water Wars, Air Pollution And Fetuses, Electric Blue Clouds. Sept. 28, 2018, Part 2
    Yemen is gripped by civil war—and some experts say it could be the first of many “water wars” to come, as the planet grows hotter and drier. In This Is the Way the World Ends: How Droughts and Die-Offs, Heat Waves and Hurricanes Are Converging on America, Jeff Nesbit writes of the Yemeni conflict and many other geopolitical consequences of a warming world, including the precarious future of the Indus River, under the control of China, India and Pakistan, and why Saudi Arabia’s biggest dairy company is buying farmland in the Arizona desert. Nesbit joins Ira to discuss the future of our planet.  Our understanding of how protective the placenta is during pregnancy has been changing. Some ingested substances, like alcohol and pthalates, are known to cross the boundary and cause harm. And in the case of air pollution, a mother’s exposure is increasingly correlated with health problems in the infant, from cardiovascular to neurodevelopment. But how do inhaled particles lead to these problems? New research in the Journal of American Medicine this month points to one potential mechanism: changes in the thyroid hormones, which are critical to early development. What’s going on—and what can be done to protect the most vulnerable from potentially lifelong health effects?  NASA’s PMC Turbo mission sent up a balloon to capture images of one of the rarest clouds, polar mesospheric clouds. These clouds, called noctilucent clouds, only form during the summer 50 miles up in the atmosphere, and they nucleate around meteor dust. Researchers explain what these clouds tell us about climate change and the physics of gravity waves and turbulence.  Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374 Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
    Jetzt anhören
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    • 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 28.09.2018
    Utah National Monuments, North Carolina Coal Ash, Asteroids. Sept. 28, 2018, Part 1
    Back in December, the Trump administration announced reductions to two of Utah’s national monuments: Grand Staircase-Escalante, which runs from the Grand Canyon to Bryce Canyon National Park, and Bears Ears, newly established by the Obama administration just a year before. The reduction opened up nearly 2 million acres of previously protected federal land to fossil fuel and mineral exploitation, angering Native Americans, for whom the land is historically and spiritually significant, as well as environmentalists, archaeologists, and paleontologists.   Then, just this week, it was announced that a group of lawsuits to reverse the cuts would remain in federal court in Washington, D.C., rather than move to Utah, a decision the plaintiffs are celebrating. As the legal process continues, scientists are waiting to see what will happen to the newly excluded acreage, which still contains hundreds of thousands of sites they consider important. Will the Department of the Interior open the land completely to oil and gas extraction? And what specimens—ancient dinosaurs, mammals, fish, and more—could be lost? Two paleontologists and a law professor discuss the implications.  After Hurricane Florence hit North Carolina, historic flooding caused several dam breaches late last week—leading to a coal ash controversy. Now, an ongoing disagreement ensues between environmentalists and industry representatives about the levels of coal ash in the Cape Fear River near Wilmington, North Carolina. Last week, the Japan Aerospace Exploration Agency, also known as JAXA, landed two rovers on the asteroid Ryugu. The Hayabusa2 mission will explore the surface of the asteroid, blast an impactor into it to study the core, and return to Earth with samples. And, Science Friday video producer Luke Groskin talks about his visit to a lab where scientists are mixing up recipes for asteroids here on Earth to help researchers test rovers for future missions. Plus, geologists and archeologists debate a new potential geologic age, starting around 4,200 years ago.  Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374 Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
    Jetzt anhören
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    • 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