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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 Astronomía Astronomía y Ciencia Espacial Ciencia Ciencias Biológicas Política y Gobierno
Episodios
  • How scientists predict big winter storms

    How scientists predict big winter storms
    Jan 28 2026
    This past weekend, Winter Storm Fern struck the States. Sleet, snow and ice battered Americans all the way from New Mexico to New York. Scientists predicted its arrival in mid-January, and in anticipation of the storm, more than 20 state governors issued emergency declarations. But how did scientists know so much, so early, about the approaching storm? NPR climate reporter Rebecca Hersher says it has to do with our weather models… and the data we put into them. Which begs the question: Will we continue to invest in them?

    Interested in more science behind the weather? Check out our episodes on better storm prediction in the tropics and how the Santa Ana winds impact the fire season this time of year.


    Have a question we haven’t covered? Email us at shortwave@npr.org. We’d love to consider it for a future episode!


    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.


    This episode was produced by Hannah Chinn. It was edited by our showrunner Rebecca Ramirez. Tyler Jones and Rebecca Hersher checked the facts. The audio engineer was Robert Rodriguez.

    News clips were from CBS Boston, Fox Weather, Fox 4 Dallas-Fort Worth, and PBS Newshour.

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

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    10 m
  • What drives animals to your yard? It's complicated

    What drives animals to your yard? It's complicated
    Jan 27 2026
    Listener Shabnam Khan has a problem: Every time she works in her garden, she’s visited by lizards and frogs. Shabnam has lived in the metro Atlanta area for decades, and she says this number of scaly, clammy visitors has exploded over the past few years. Frogs croak at night; lizards sun on the cement. And she wants to know, where did all of these animals come from? It turns out, there are a number of potential answers – from small-scale environmental changes like natural plants and new water sources to large-scale shifts like urbanization and development displacing local wildlife. On this month’s Nature Quest, host Emily Kwong and producer Hannah Chinn discuss the possibilities – and impacts – of these changes.

    If you live in the Atlanta area and are interested in volunteering with MAAMP (the Metro Atlanta Amphibian Monitoring Program), you can sign up for training here.

    This episode is part of Nature Quest, our monthly segment that brings you a question from a fellow listener who is noticing a change in the world around them.

    Send a voice memo to shortwave@npr.org telling us your name, location and a question about a change you’re seeing in nature – it could be our next Nature Quest episode!

    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.

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

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    14 m
  • Iran offline: How a government can turn off the internet

    Iran offline: How a government can turn off the internet
    Jan 26 2026
    There’s an ongoing, near-total blackout of the internet in Iran. The shutdown is part of a response by the government to ongoing protests against rising inflation and the value of the nation’s currency plummeting. Since protests began more than two weeks ago, only an estimated 3% of Iranians have stayed online through the satellite internet system Starlink. Doing so is a crime. So, today on the show: Iran offline. We get into how the internet works, how a government can shut it down and how scientists are monitoring the nation’s connectivity from afar.

    Check out more of NPR's coverage of Iran:

    - Iran Protests Explained

    - There's an internet blackout in Iran. How are videos and images getting out?

    - Iran blocked the internet amid deadly protests. Some voices are still getting through

    Interested in more science behind the headlines? Email us your question at shortwave@npr.org – we may tackle it in a future episode!

    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.

    This episode was produced by Berly McCoy, edited by Rebecca Ramirez and fact checked by Tyler Jones. Robert Rodriguez was the audio engineer.

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

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    13 m

Featured Article: Go Beyond the Lab with the Best Science Podcasts for Curious Listeners


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.

Featured Article Go Beyond the Lab with the Best Science Podcasts for Curious Listeners
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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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