Short Wave

• Climate Change Could Alter Spidey Love

  Every September, the small town of La Junta, Colorado puts on a whole festival to celebrate a beloved local animal: the tarantula! Around this time of year, thousands of mature male tarantulas start to migrate en masse – but until recently, scientists didn’t know what triggered them to move out of their cozy burrows. On today’s show, biologist Dallas Haselhuhn explains how they solved the mystery, and how climate change could affect future treks.Want to hear about more critter mysteries? Email us and let us know at [email protected] 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 Berly McCoy and edited by Rebecca Ramirez. Tyler Jones checked the facts. Robert Rodriguez was the audio engineer.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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• 'Zombie' cells could explain aging — and help scientists slow it

  It’s no secret that stress isn’t good for you. But just how bad is it? Well, in the last few decades, scientists have linked psychological stress to changes in our DNA that look a lot like what happens on the molecular level as we age. Today on the show, host Regina G. Barber talks to freelance science journalist Diana Kwon about the latest research on stress and aging, including a new hypothesis for how your brain handles aging — and what science could do about all of it.Interested in more aging science? Let us know at [email protected] 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/adchoicesNPR Privacy Policy

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• The Giants Lurking In The Deep Sea

  The bathypelagic zone of the ocean is 1,000 to 4,000 meters below the surface. Sometimes it's called the midnight zone because it's too deep for sunlight to reach. Most animals here are much smaller than their shallow-water counterparts. But occasionally, researchers find the rare deep sea giant: giant isopods, giant squids, colossal squids, sea spiders. While these giants sound like the subjects of some people's nightmares, deep sea biologist Craig McClain dreams about them. And today on the show, he helps unravel the mystery and research behind these creatures. SIGN UP FOR OUR SEA CAMP NEWSLETTER! WE WORKED SO HARD ON IT!Interested in more ocean mysteries? Let us know at [email protected] 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/adchoicesNPR Privacy Policy

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• Climate Change Is Here For Your Chocolate

  Last year, we reported how extreme weather events may be dwindling the future of chocolate. Just last week, we saw an inkling of that: The Hershey Company announced it would significantly raise the cost of its candy in the face of historically high cocoa prices. So, we're revisiting host Emily Kwong's conversation with Yasmin Tayag, a food, health and science writer at The Atlantic. They get into the cocoa shortage: What's causing it, how it's linked to weather and poor farming conditions and what potential solutions exist. Plus, they enjoy a chocolate alternative taste test.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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• Why Illusions Are A Brain Feature, Not A Bug

  A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism that appears to change shape when viewed from three different directions. Those are the top winners of the 2024 Best Illusion of the Year Contest, open to illusion makers around the world and co-created by neuroscientist Susana Martinez-Conde. Today on the show, we get lost in the magic and science of visual illusions. Have a neuroscience question? Email us at [email protected]. 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/adchoicesNPR Privacy Policy

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