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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 Astronomia Astronomia e scienze spaziali Politica e governo Scienza Scienze biologiche
Episodi
  • Space news: Project Hail Mary, Artemis, data centers

    Space news: Project Hail Mary, Artemis, data centers
    Mar 30 2026
    Short Wavers, we hear your requests. You want MORE! SPACE! So this is the first installment of a new segment focusing only on space news. First, we talk about the new sci-fi film Project Hail Mary and the accuracy of the science in the movie. Then, we move on to data centers in orbit, if they are better for the environment and why even send them up into space. Finally, we round out the conversation with a quick update about the upcoming Artemis II launch. The space nerds assembled for this conversation are host and astrophysicist Regina G Barber, known space enthusiast and host of All Things Considered Scott Detrow and NPR science correspondent Geoff Brumfiel.

    Interested in more on space? Check out our whole summer series, Space Camp. Or 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.

    To manage podcast ad preferences, review the links below:

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    11 min
  • What's up with recycled wastewater's PR problem?

    What's up with recycled wastewater's PR problem?
    Mar 27 2026
    Would you drink recycled wastewater? It could be a solution to the global water crisis. But not everyone is ready to jump onboard. They say it’s not technology that’s keeping more cities from recycling their wastewater, but psychology. Experts call this resistance “the yuck factor.” We chat with water journalist Peter Annin about some history behind water recycling – and why more cities could adopt the solution soon.


    This is part of a whole series on the world’s dwindling water supply. Check out the rest of the water series:
    Part 1: When the wells run dry
    Part 2: The world’s groundwater problem
    Part 3: Freshwater’s growing salt problem


    Email us your questions about water, the wider environment – or anything else to do with science at shortwave@npr.org. We may turn it into an episode in the future!


    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.


    Listen to Short Wave on Spotify and Apple Podcasts.


    This episode was produced by Rachel Carlson. It was edited by Rebecca Ramirez. Aru Nair checked the facts. The audio engineer was Jimmy Keeley.

    To manage podcast ad preferences, review the links below:

    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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    14 min
  • The world’s freshwater is getting saltier. Why?

    The world’s freshwater is getting saltier. Why?
    Mar 25 2026
    Around the world, the planet’s freshwater is getting saltier. And it’s because of people. For decades, salting roads, fertilizer run-off and evaporation driven by human-caused climate change have upped the salinity of lakes, rivers and groundwater. All that salt is detrimental to a lot of aquatic life and can be problematic for drinking water, too. But there’s still time to reverse course. In fact, many people have already started to change their ways. Today, producer Berly McCoy is on the case to see what solutions exist.

    This is part of a whole series on the world’s dwindling water supply. Check out part one and part two of this water series!

    Email us your questions about water, the wider environment – or anything else to do with science at shortwave@npr.org. We may turn it into an episode in the future!

    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.


    To manage podcast ad preferences, review the links below:

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

    Learn more about sponsor message choices: podcastchoices.com/adchoices

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    12 min
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