Short Wave

• Nature Quest: What Does Climate Change Sound Like?

  Feel like summers are hotter than they used to be? It’s not just your imagination. Climate researchers say that average annual temperatures around the country have been trending upwards for the past 50 years — and are still on the rise. But it can be hard to represent those numbers in a way that makes sense to everyday people. So Gulf States Newsroom reporter and New Orleans resident Drew Hawkins wondered: What if he could help people hear those changes for themselves? Turn temperatures into tunes?This episode is part of Nature Quest, a monthly Short Wave segment that answers listener questions about their local environment.Got a question about changes in your local environment? Send a voice memo to [email protected] with your name, where you live and your question. We might make it into 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/adchoicesNPR Privacy Policy

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• Sea Camp: To Mine Or Not To Mine

  Deep sea mining for rare earth elements could start as early as 2026, even as 38 countries have called for a moratorium on it. The metals that companies are targeting are used in many green technologies like electric cars and wind turbines – but mining them is destructive to the environment. Some in the mining industry say the mining is necessary to a green transition – and essential to democratizing that transition globally since the supply chain is currently dominated by a single country, China. Meanwhile, some scientists caution against mining before the full scope of environmental damage can be understood. Can there be balance in this environmental and political push-and-pull? Hosts Regina G. Barber and Emily Kwong dive into this debate and talk about what science has to say. Curious about other science controversies? Email us 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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• Could labs replace your natural chocolate?

  Chocolate may fill grocery store shelves around the world, but the raw product that powers chocolate is far more selective. The majority of chocolate farms are found in West Africa and South America – just 20 degrees north or south of the equator. Each farm produces chocolate of a different flavor. Some cocoa tastes fruitier; others, more floral. Nutty. Earthy. Spicy. But what drives these different flavor profiles? And can it be recreated in a lab? A team led by scientists at the University of Nottingham in the UK sought to find out and published their results in the journal Nature Microbiology this week. Curious about other ways science intersects with food? Email us 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 Yellowstone Wolf Controversy

  Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in check. And it worked – or so the popular narrative suggests. But is it really so simple? Today on the show, we explore how the Yellowstone ecosystem has changed since wolves returned and whether those changes can really be pinned solely on wolves. Plus, how the narrative of the Yellowstone wolf legacy could affect wolf reintroduction elsewhere.Curious about other science controversies? Email us 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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• Toxic? These Animals Don't Care

  Imagine, you’re a toxic toad hanging around South America. No other animals are gonna mess with you, right? After all, you’re ~toxic~! So if anyone tries to eat you, they’ll be exposed to something called a cardiotonic steroid — and may die of a heart attack. Well, unfortunately, for you, some animals have developed adaptations to these toxic steroids. Evolutionary biologist Shabnam Mohammadi has spent her career studying how these adaptations work — and says even humans have used these toxins to their advantage since ancient Egypt. So today on Short Wave, we get a little… toxic (cue Brittney Spears). Host Regina G. Barber talks to Shabnam about how some predators can get away with eating toxic prey. Curious about biology? Email us 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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