Short Wave

From Indonesia to Wisconsin, farmers all over the world struggle with a huge problem: pests. On top of that, it's tough for farmers to identify where exactly they have the pests and when. Reporter Lina Tran from NPR member station WUWM in Milwaukee joins host Emily Kwong to tell the story of how researchers in the Midwest are inventing new forms of pest detection that involve eavesdropping on the world of insects. Plus, hear what aphid slurping sounds like.

If you liked this episode, check out behind-the-scenes photos of Insect Eavesdropper experiments in Lina's digital story!

Interested in hearing more insect news? Email us at [email protected].

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At first glance, the whole narrative of aquatic invasive species may seem straightforward: A bad non-native species comes into a new ecosystem and overruns good native species. But the truth? It's a little more complicated. To tear down everything we thought we knew about invasive species and construct a more nuanced picture, host Emily Kwong talks to experts Ian Pfingsten, who works on the United States Geological Survey's Nonindigenous Aquatic Species Database, and Nicholas Reo, a Canada Excellence Research Chair in Coastal Relationalities and Regeneration.

Check out episode where we get into the annual python challenge we referenced in this episode.

Have a favorite invasive species or one you really can't stand? Email us at [email protected] — we'd love to hear your take!

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Human beings are hardwired for social connection – so much so that we think of even the most basic objects as having feelings or experiences. (Yup, we're talking to you, Roomba owners!) Social robots add a layer to this. They're designed to make us feel like they're our friends. They can do things like care for children, the elderly or act as partners. But there's a darker side to them, too. They may encourage us to opt out of authentic, real-life connections, making us feel more isolated. Today on the show, host Regina G. Barber explores the duality of social robots with Eve Herold, author of the book Robots and the People Who Love Them.

Curious about other innovations in technology? Email us at [email protected].

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New York: The city that never sleeps, the concrete jungle where dreams are made of and more recently ... home to a mysterious ant spreading across the city — before continuing across metropolitan and even state lines. NPR science correspondent Nell Greenfieldboyce joins host Regina G. Barber to trace the MahattAnts' takeover, explain why they're an interesting invasive species case study. Plus, how everyday people can get involved in research efforts to learn more about these critters.

Read more of Nell's ManhattAnt story here. And if you like this story, check out our story on ant amputation!

Interested in hearing more animal news? Email us at [email protected].

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Have you ever scrolled through a TikTok without finishing it? Switched between YouTube videos halfway through one or the other? Pressed "fast forward" on a Netflix episode that just wasn't holding your interest? That habit is called "digital switching" — and it might be causing the exact thing you're trying to avoid: boredom. Emily and Regina break that and more of the week's news down with the help of All Things Considered's Ailsa Chang.

Read this study on digital switching and boredom in the Journal of Experimental Psychology.

Interested in hearing more psychology news? Email us at [email protected].

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U.S. health officials now say COVID-19 is an endemic disease. That means it's here to stay – circulating fairly regularly like the flu. Even though that changes how public health officials think about managing the virus, they say it doesn't mean being less cautious or vigilant during surges, like the current one this summer. COVID still poses significant risks for older individuals and those with underlying conditions — and anyone who gets COVID is at risk of developing long COVID.

NPR science correspondent Rob Stein reported this story. Read Rob's full story here.

Interested in hearing more COVID or health news? Email us at [email protected].

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All summer long, we've been on a 10-episode odyssey through the changing universe (check out the series). But there was one big set of objects that we skipped over: moons. So now we're back, with special guest, Radiolab's Latif Nasser, to talk about yes, our moon — and the many moons and quasi-moons beyond it. Where did our Moon come from? How many moons are out there? What's this "quasi-moon" of which we speak and why is it "dancing" around space?

Also, Latif tells us about Radiolab's contest to name a quasi-moon. Read all the details and submit a name here!

Lunar questions or otherwise celestial musings you think we should cover? We'd love to hear about it! You can reach us by emailing [email protected].

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For blind and low vision adults, the ability to read braille can be life-changing. Braille literacy is directly linked to higher rates of academic success and better employment outcomes for them. But there's a problem. The U.S. is facing a national shortage of qualified braille teachers and there's a lack of scientific research around braille overall. An interdisciplinary team led by linguist Robert Englebretson wants to change that.

Read some of the team's work here:
- Englebretson R, Holbrook MC, Fischer-Baum S. A position paper on researching braille in the cognitive sciences: decentering the sighted norm. Applied Psycholinguistics. 2023.
- Englebretson, R., Holbrook, M.C., Treiman, R. et al. The primacy of morphology in English braille spelling: an analysis of bridging contractions. Morphology. 2024.

Interested in hearing more linguistics stories? Email us at [email protected].

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Some weapons used by the United States military are so powerful, they can pose a threat to the people who fire them — even in training. When weapons are fired, an invisible blast wave travels through the brains of anyone nearby. Exposure to lots of these blasts over time — even low level ones — has been shown to cause brain health problems for service members.

If you liked this episode, consider checking out some more episodes on the brain, including its waste system, face blindness and the neuroscience of loneliness.

Questions or ideas you want us to consider for a future episode? Email us at [email protected]. We'd love to hear from you!

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Over the next week, forecasts project extreme heat across much of the South, Midwest and parts of the West. So, this episode, health correspondent Pien Huang helps us take heat training cues from Olympians, many of whom spent weeks preparing for a sweltering Paris Olympics, by training in the heat to get their bodies used to hot, humid weather. But heat training is not just for competitive athletes. It's recommended for people in the military and those who work outdoors in hot weather — and it could even be useful for generally healthy members of the public. Plus, we get into some important caveats about who is best positioned to heat train — and why doing so doesn't minimize the problems of a warming climate.

Check out more of Pien's reporting on heat training.

And, if you liked this episode, consider checking out our episodes on the dew point, the power of sweat and coping with extreme heat.

Questions or ideas you want us to consider for a future episode? Email us at [email protected]. We'd love to hear from you!

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