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  • RFK Jr.'s New Vaccine Advisors Signal Big Changes

    RFK Jr.'s New Vaccine Advisors Signal Big Changes
    2025/06/30
    The Advisory Committee on Immunization Policy, an influential CDC committee that shapes U.S. vaccine policy, has become a flashpoint in recent weeks. Secretary of Health Robert F. Kennedy Jr. fired all 17 members and replaced them with 7 new members — many of whom do not have deep expertise in vaccines, and some of whom have spread vaccine misinformation. NPR public health correspondent Pien Huang was at the new working group's first meeting last week. This episode, she talks with Emily about the sweeping changes they promised to how vaccine policy is made in the U.S. — and resurrected issues that have been advanced by groups that question vaccines.

    Read more of Pien's reporting on this topic.

    Want us to cover more twists and turns in U.S. health policy? Or less? Either way, tell us by emailing shortwave@npr.org! We'd love to know what you're hearing — and want to hear from us!

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    14 分
  • Aha! The Power Of A Short Rest

    Aha! The Power Of A Short Rest
    2025/06/27
    Since 2004, scientific research has shown that a full night of sleep may lend itself to a burst of insight in the morning. But what about the earlier stages of sleep? And what about just a nap? A research team based in Germany found that even a 20-minute nap could deliver a "eureka" moment, and published their findings in the journal PLOS Biology this week.

    Have a question about sleep? Email us at shortwave@npr.org — we'd love to hear from you!

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    9 分
  • When Eavesdropping Pays Off

    When Eavesdropping Pays Off
    2025/06/25
    Why did the ornithologist strap a taxidermy badger to a remote controlled car and drive it around the prairie? To interrogate the secret world of animal eavesdropping in the grasslands, of course! Today on the show, we travel to the most imperiled ecosystem on the planet to unravel a prairie mystery and find out why prairie dogs are grassland engineers worth keeping tabs on.

    Special thanks to Andrew Spencer and the     Cornell Lab of Ornithology for providing the Long-billed Curlew call recording, and to American Prairie for providing prairie soundscape recordings.

    Got a question about other animal ecosystem engineers? Email us at shortwave@npr.org.

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    12 分
  • Does It Feel Like Mosquitoes Are Getting Worse?

    Does It Feel Like Mosquitoes Are Getting Worse?
    2025/06/24
    Mosquitoes are the deadliest animal on the planet, and some of them may be on the rise. At least in listener Abigail Krich-Starr's area, that's due to warmer, wetter weather — which, yes, is linked to climate change. But it doesn't stop there: Ecologists and entomologists say increased heat could also alter mosquito behavior, shift their natural habitat, and even change how pathogens incubate and spread inside their bodies.

    So how do you protect yourself against the (mosquito) masses? Our experts suggested several things:
    - Assess your risk by checking local mosquito surveillance efforts, like this one for the state of Massachusetts
    - Consider rescheduling outdoor events happening between dusk and dawn, which is peak biting time for multiple mosquito species
    - Wear long-sleeved shirts and pants, weather-permitting, to limit exposed skin
    - Use an EPA-approved DEET repellent, and/or a permethrin spray for clothing and outdoor gear

    This episode is part of Nature Quest, a monthly Short Wave segment that answers listener questions about the local environment.

    Got a question about changes in     your local environment? Send a voice memo to shortwave@npr.org with your name, where you live and your question. We might make it into our next Nature Quest episode!

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    13 分
  • The Power Grid Problem

    The Power Grid Problem
    2025/06/23
    The U.S.'s power grid — a nearly 100-year-old network of electrical circuits — is facing increased demand and weather-related stress. What will it take to modernize?

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    11 分
  • What Makes South Korea's 'Super Divers' Special?

    What Makes South Korea's 'Super Divers' Special?
    2025/06/20
    For generations, the all-female Haenyeo divers have routinely dove into frigid waters off the coast of South Korea, holding their breath for minutes at a time, as they collect seafood to eat and sell. These women start diving as girls and continue well into old age. And recent research suggests that it's not just years of training that makes this feat possible – it's also a set of special genetic adaptations. Science reporter Ari Daniel brings us the story.

    Read more of Ari's reporting here.

    Have another story about biology and genetics for us to consider? Email us at shortwave@npr.org.

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    10 分
  • Why Emotions Run High For Sports Fans

    Why Emotions Run High For Sports Fans
    2025/06/18
    We are in the thick of multiple sports seasons: the NBA finals are happening, and baseball and soccer are in full swing. For devoted fans, emotions can run pretty high during a game. Cognitive anthropologist Dimitris Xygalatas has long been fascinated by that intensity — and how uniform it can be across fans. So, he and fellow researchers at the University of Connecticut decided to look into what exactly makes fans so deeply connected to their team and to fellow supporters. It turns out that connection may have less to do with actual gameplay and more to do with rituals. Their research was recently published in the journal Proceedings of the National Academy of Sciences.

    Questions about sports science? Email us at shortwave@npr.org.

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    12 分
  • Trump Wants A Missile Defense System Like Israel's

    Trump Wants A Missile Defense System Like Israel's
    2025/06/17
    Since last week, Israel has been attacking Iran's nuclear facilities, along with many other targets around the country. Iran has fired hundreds of missiles in response. NPR correspondent Geoff Brumfiel has been watching all of this very closely because Israel's missile defenses have been a focus of the Trump White House. This year, President Trump requested funding from Congress for a "Golden Dome for America" — a missile defense system that would protect all of the United States. The idea comes from Israel's Iron Dome — a network of interceptor missiles stationed at points across the country. Iron Dome and related Israeli air defenses don't get every missile fired — including some launched in the past few days by Iran — but the Israeli military says it has intercepted thousands of rockets since it was built. Trying to get that kind of protection for America, though, might be a very different matter.

    Read more of science correspondent Geoff Brumfiel's reporting on this topic and find NPR's coverage of the Middle East here.

    Questions about nuclear science? Email us 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 分