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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 26.03.2025
    Developing Faster, Simpler Tools To Treat Tuberculosis
    TB kills more than a million people each year. Dr. Mireille Kamariza has spent her career developing better detection and treatment tools.As the United States retreats from global health leadership—withdrawing from the World Health Organization, dismantling USAID—public health experts warn that there will be implications for the spread of certain diseases around the globe. One such disease is tuberculosis (TB), which is the deadliest infectious disease in the world.If you live in the United States, it’s likely that TB is not on your radar: It’s rare, and if someone is infected, there are effective treatments. But elsewhere in the world, more than a million people die of the bacterium each year, mostly in low-resource, high population regions.Tuberculosis isn’t a straightforward bug to treat. It has a unique armor, which helps it evade treatment like antibiotics. The current treatment regimen involves taking 16 pills a day for six months, which for people in regions with limited access to medicine, can be a massive barrier.Joining Host Flora Lichtman to discuss the science behind this deadly bacterium, and new tools to test for and treat it, is Dr. Mireille Kamariza, a chemical biologist at the University of California, Los Angeles.Transcripts for each segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
    Jetzt anhören
    • im Online-Player
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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 25.03.2025
    Author John Green On The Many Ways Tuberculosis Shaped Human Life
    In a new book, author John Green traces how the disease has impacted culture, geography, and even fashion over the centuries.Tuberculosis (TB) has had an incredibly large impact on human history. One staggering statistic? It’s been estimated that by the start of the 1800s, the disease had killed one in seven people who had ever lived. Because of this, tuberculosis affected human culture, geography, and fashion—and even killed off some of literature and media’s most famous heroines.While TB incidence has gone down tremendously in the United States, it remains a massive issue in low-resource nations. About 1.25 million people die of TB each year, making it still the deadliest infectious disease in the world.Author John Green explores humankind’s relationship with TB in the new book Everything is Tuberculosis: The History and Persistence of Our Deadliest Infection. Green speaks with Host Flora Lichtman about how TB’s path reflects our society and culture. He joins us from Indianapolis, Indiana.Transcript for this segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
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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 24.03.2025
    DESI Data Strengthens Evidence Of Change In Dark Energy
    Researchers built the largest 3D map of our universe yet. What they found supports the idea that dark energy could have evolved over time.One of the mysteries of the universe is why it expands at the rate that it does. Back in 1998, two teams of researchers observed that not only was the universe expanding, but that the rate of expansion was increasing. That observation was the basis for a concept now known as dark energy. In the years since, cosmologists have been trying to get a handle on better measurements of that effect, and hoping to figure out what dark energy actually might be.This week, researchers on a project called DESI, the Dark Energy Spectroscopic Instrument, released results based on their first three years of data at an international physics conference. They found that it appears possible that dark energy—whatever it is—has changed over the lifetime of the universe. In other words, the so-called cosmological constant may not, in fact, be a constant. The data is not quite statistically significant yet, so researchers can’t definitively say that this is true, which leaves many questions about the nature of dark energy still unresolved.Dr. Andrei Cuceu of the Lawrence Berkeley National Laboratory and Dr. Adam Riess of Johns Hopkins University and the Space Telescope Science Institute join Host Flora Lichtman to talk about the new research, and what remains to be discovered in dark energy.Transcripts for each segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
    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 21.03.2025
    NASA Astronauts Return To Earth After Extended Stay On The ISS | Bottle "Pop" Physics
    After nine months aboard the International Space Station, astronauts Butch Wilmore and Suni Williams have finally landed back on Earth. Also, a German physicist and homebrewer discovered brief, intense physical reactions that happen when you uncork a bubbly swing-top bottle.NASA Astronauts Return To Earth After Extended Stay On The ISSAfter 286 days aboard the International Space Station—278 days longer than their initial planned mission—NASA astronauts Butch Wilmore and Suni Williams landed safely back on Earth on Tuesday, off the coast of Florida. Their mission turned into a nine-month stay on the station after their Boeing Starliner capsule had issues with its thrusters and NASA deemed it unsafe to carry the astronauts back. SpaceX’s Dragon capsule instead ferried them to Earth earlier this week. And they had a splashdown surprise: A pod of curious dolphins greeted them after they landed.Host Flora Lichtman is joined by Casey Crownhart, senior climate reporter at MIT Technology Review, to catch us up on that and other big science stories from this week, including why a company is trying to “refreeze” a massive glacier, why the 10 hottest years on record are the last 10, and how the London Zoo is trying to conserve a unique frog that incubates its young in its vocal sacs.The Physics That Makes Swing-Top Bottles ‘Pop’For a lot of us, uncorking a bottle is the sound of celebration. It’s also a sound that we may not think too much about—until we open our next bottle.But Dr. Max Koch, a physicist at the University of Göttingen who does home brewing on the side, got to wondering what actually makes that popping sound. What’s happening inside that bottle, physics-wise? To find out more, he recorded the uncorking of an unsuccessful batch of his ginger beer using microphones and a high-speed camera, and analyzed the bubbly results with a physicist’s rigor. His team’s findings were published in the journal Physics of Fluids.Dr. Koch sits down with Host Flora Lichtman to talk about the brief but intense changes to temperature, sound, and speed that happen when you uncork a swing-top glass bottle.Transcripts for each segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.
    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