Short Wave Podcast Por NPR arte de portada

Short Wave

Short Wave

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New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong and Regina Barber for science on a different wavelength.

If you're hooked, try Short Wave Plus. Your subscription supports the show and unlocks a sponsor-free feed. Learn more at plus.npr.org/shortwaveCopyright 2019-2025 NPR - For Personal Use Only Astronomía Astronomía y Ciencia Espacial Ciencia Ciencias Biológicas Política y Gobierno
Episodios
  • A chemical found in fish could help reinvent your sunscreen

    A chemical found in fish could help reinvent your sunscreen
    May 15 2026
    It’s been over 25 years since the FDA approved a new ingredient for sunscreen in the United States. But a molecule called gadusol found in fish and coral reefs is a promising candidate. It absorbs U.V. rays — acting like a built-in sunscreen for fish. But there’s a big hurdle if scientists want to turn gadusol into human sunscreen: They’d need to make a lot of it. A new study out this week in the journal Trends in Biotechnology takes us a big step closer. Their solution? Using the bacteria best known for making your stomach hurt: e. Coli.

    Interested in more science? Email us your question at shortwave@npr.org.

    Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.


    See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.

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    11 m
  • Should you be fibermaxxing? Here's what the science says

    Should you be fibermaxxing? Here's what the science says
    May 13 2026
    The average person eats 10-15 grams of fiber per day, according to the USDA. The problem? That’s WAY under the recommended daily amount.

    Fiber – a type of carb that our bodies are unable to digest – is prevalent in foods like fruits, veggies, whole grains, and beans. And it’s key for everything from feelings of fullness, to gut health, to good poop. That’s why a lot of people online are “fibermaxxing”: trying to meet or exceed the daily recommendation of fiber, in hopes it’ll improve their health.

    But how should YOU add fiber to your diet… and are the fibermaxxers overdoing it? Gastroenterologist Berkeley Limketkai is here to help parse the science on how little fiber is too little, how much fiber is too much – and, like Goldilocks, how we can figure out the amount that’s just right.

    Interested in more food and dietary science? Email us your question at shortwave@npr.org.

    Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.


    See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.

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    12 m
  • Why Swedish scientists gave salmon cocaine

    Why Swedish scientists gave salmon cocaine
    May 12 2026
    A recent study caught our eye: salmon on cocaine. Or really, researchers giving salmon cocaine…for science. See, scientists know human drugs pollute aquatic environments – past studies have shown even anti-anxiety drugs can change how fish act. But illicit drugs are less studied. And Jack Brand, an aquatic ecologist at the Swedish University of Agricultural Sciences, wanted to know how illicit drugs like cocaine might change fish behavior, like foraging and mating. To answer that question, Jack and his team gave salmon cocaine.

    Interested in more science? Email us your question at shortwave@npr.org.

    Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.

    See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.

    NPR Privacy Policy
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    10 m
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Our picks for the best science podcasts run the gamut from general scientific trivia to earth science, outer space, food, plants, the human body, and much more. They're all accessible—any listener can learn about scientific history, breaking science news, and visions for the future from these shows, which often feature interviews with a variety of interesting experts who provide valuable insight, perspective, context, and clarity.

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First time I am listening and definitely won’t be the last. This podcast is a gem not to be missed. Thanks for the creativity!

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