Episodios

  • This distant planet has wild weather and gemstone clouds

    This distant planet has wild weather and gemstone clouds
    May 29 2026
    For many astronomers and astrophysicists there are two distinct, important periods: before the James Webb Space Telescope – and after. It has powered many scientific discoveries since it came online, including two at the heart of this episode: insights into one of Neptune’s moons and a “hot Jupiter” exoplanet orbiting another star. This exoplanet has a strange weather system with high winds and cloud coverage only on one side of the planet. Fill in some of the scientific gaps about our solar system and the universe beyond with us.

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

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    10 m
  • Should we reengineer the world's deadliest animal?

    Should we reengineer the world's deadliest animal?
    May 27 2026
    The most ferocious predator for us humans is actually quite small: the mosquito. They are hungry for blood, spreading diseases like malaria, yellow fever and dengue – and picking up new ones all the time. But what if we could wipe out the mosquito? Gene-editing technology could do it, potentially saving millions of lives. But it comes with serious potential for risk. Which begs the question: Should we get to decide when humanity rewrites nature? Here to discuss that is Ben Bradford, the host of a new podcast distributed by the NPR Network: Are We Doomed?

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

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    12 m
  • Is it getting windier?

    Is it getting windier?
    May 26 2026
    Is it getting windier? Long-time listener Barry Zalph thinks it is, at least in Louisville. And he’s not the only one. Redditors and local reporters have noticed a recent uptick in the region’s windstorms, too. But does that point to any larger trends in windiness? And if so, what could be causing it? We talked to meteorologist and extreme weather specialist Scott Gunter to find out. Plus, we dig into whether Tornado Alley is shifting into Kentucky as the climate warms.

    This episode is part of Nature Quest, our monthly listener-driven segment about climate and the environment. Have a question for us? Send a voice memo to shortwave@npr.org with your name, location and what you’re noticing in the environment around you… it could be our next Nature Quest!

    Interested in more weather and wind 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.


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    12 m
  • The magic — and science — of synchronous fireflies

    The magic — and science — of synchronous fireflies
    May 25 2026
    Every year for two weeks between mid-May and mid-June, Congaree National Park in South Carolina is home to a fairy-tale-like display of flashing lights. These rhythmic performances happen all because of thousands of fireflies, flashing their belly lanterns at exactly the same time. According to the National Park Service, there are just three species of these synchronous fireflies in North America, making the experience all the more magical for the lucky visitors who get the chance to see them. (encore)

    This story was originally reported for NPR by science correspondent Pien Huang. Read Pien's full story here.

    Want more of the science behind wildlife wonders? Email us at shortwave@npr.org.

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    Today's episode was produced by Rachel Carlson. It was edited by Berly McCoy. Pien checked the facts. Kwesi Lee was the audio engineer.

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    13 m
  • The supertree shielding coastlines and storing carbon

    The supertree shielding coastlines and storing carbon
    May 22 2026
    Coastal fishing communities around the world are struggling with declining fish stocks. That’s because of climate change, environmental degradation and overfishing. But one tree – the humble mangrove – has a superpower that’s supporting healthy fisheries in many parts of the world. The majority of fishes we eat worldwide are supported by mangroves: Their roots serve as a nursery for baby fish. So, today on the show, two reporters travel to Cambodia, where they discover why a local fishing solution now plays a crucial role in slowing global warming.

    Read more about Rebecca Hersher and Ryan Kellman’s journey here (and check out their incredible photos).

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

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    12 m
  • Why renaming this common hormonal disorder is a huge deal

    Why renaming this common hormonal disorder is a huge deal
    May 20 2026
    You probably know someone who has a condition that, until last week, was known as PCOS, or polycystic ovary syndrome. It affects one in eight reproductive-aged women. But despite it being such a common disorder, patients are often misdiagnosed and have delayed treatment. Now, medical professionals are trying to change that. After 15 years of work, the condition has been renamed to PMOS, or polyendocrine metabolic ovarian syndrome. The new name reflects the real driver of the condition: disruptions in hormones. But how much can changing a name really do?

    Click here to access resources about PMOS in multiple languages.

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

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    14 m
  • A solution for California's water woes

    A solution for California's water woes
    May 19 2026
    For years, farmers in California have been pumping huge amounts of water from their wells to irrigate their crops. The state’s Central Valley is the nation’s single biggest source for many different foods. But all that water use is making aquifers shrink, wells go dry and, in some places, the ground sink. Science reporter Dan Charles has been looking into the issue and is on the show today to talk about what happens when water gets scarce. What is it like for farmers? And for the people enforcing new water restrictions?

    If you liked this episode, check out some of our other recent water stories – including why the world’s freshwater is getting saltier, what’s happening to our groundwater supply, and what happens when a city runs out of water.

    Interested in more stories about water, farming and food production? 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.


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    14 m
  • What's up with your nightmares?

    What's up with your nightmares?
    May 18 2026
    Dreams of flying? Nightmares of teeth falling out? Falling off a cliff? As a sleep scientist at the University of Montreal, Michelle Carr has pretty much heard it all. In Michelle’s new book Nightmare Obscura, she explores the science of dreams, nightmares – and even something called dream engineering, where people influence their own dreams while they sleep. Today on Short Wave, co-host Regina G. Barber dives into the science of our sleeping life with Michelle Carr. (encore)

    Interested in any upcoming science books? Email us your question at shortwave@npr.org.

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    14 m