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Two tiny transforming robots landed on the moon! These baseball-sized bots accompanied Japan's first successful lunar lander. They rolled out of SLIM as balls and transformed into a rover. The bots cracked down the middle to reveal a little camera in the center. The halves then acted as spinning wheels that helped them waddle, bounce and roll over hard terrain as they explored. In this roundup of space news, we also get into the latest turn about how much the universe is expanding and the Earthly analogs NASA astronauts are using to prepare for the forthcoming Artemis mission.
Interested in more space science? Email us your question at [email protected].
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The war in Iran has disrupted the global fuel supply. That has sent airline prices soaring and cancelled scores of flights. This got Short Wave host Emily Kwong wondering: Could another fuel source help take us to the skies? Today on the show, we explore the chemistry and cost of sustainable aviation fuel. Along the way, we highlight two initiatives to create a regional SAF supply – one in Washington and one in Pennsylvania.
Interested in more stories about the future of flying? Email us your question at [email protected].
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Summer is here, your windows are open and the smell of…car exhaust and the latest wildfire are wafting in. This air pollution is harmful to almost every organ, including the brain. Today on Short Wave, we talk about one way air pollution may cloud your memory.
Interested in more episodes about how where we live affects us? Email us your question at [email protected] and we may turn it into an episode!
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Could standardizing chocolate help small-scale farmers? Chocolate scientist Julien Simonis thinks it could help persuade consumers to pay for higher quality chocolate, in turn helping out these growers. Every cacao bean is different, and for a long time, there wasn't a standard way of comparing the quality of chocolate. But in 2009, a sustainable agriculture nonprofit started a program called Cacao of Excellence. The goal was to develop a standard way of evaluating cacao just like those sommelier’s do with wine. So today, we’re going behind the scenes of a chocolate laboratory to see just how cacao is evaluated.
This story was originally reported for NPR by science correspondent Ari Daniel. Read the full story here.
If you liked this episode, check out our episodes on how climate change is hurting chocolate production and how some people are making chocolate alternatives.
Interested in more chocolate science? Email us your question at [email protected].
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Until this week, the United States hadn’t approved a new sunscreen ingredient in over 20 years. That changed Tuesday, when the FDA approved a new chemical for U.S. sunscreens. It’s called bemotrizinol, and NPR science correspondent Maria Godoy joins us to tell us all about it — including the soonest it’s expected to hit shelves.
Interested in more science news? Email us your question at [email protected].
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CORRECTION: A previous version of this episode incorrectly referred to Dr. Heather Rogers as a spokesperson for the American Academy of Dermatology. She is a fellow of the academy.
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Every year, tens of millions of people in the U.S. get the flu vaccine. That’s because the virus changes year-to-year and protection only lasts around six months. Adolfo Garcia-Sastre wants to change that. He’s one scientist working on a universal flu vaccine that could provide decades of protection against all flu illnesses – but only if his team can find the resources that disappeared when U.S. funding dipped.
If you liked this episode, listen to our episode on a vaccine trial that could end HIV.
Interested in more medical innovations? Email us your question at [email protected].
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We tend to think of the DNA strands that contain our genetic code as consistent, stable units. But in reality, the cells that make up our bodies are constantly replicating and changing. Even as you read this sentence, in fact, the genes within your cells are mutating. So, what causes these mutations and what’s the impact? Science writer Roxanne Khamsi examines the answers in her new book, Beyond Inheritance. Today on the show, she gets into how scientists examine these mutations, how they’ve shifted our understanding of disease and what the future of genetic therapy could entail.
Interested in more biological and life sciences? Email us your question at [email protected].
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Emily Kwong is pretty sure she lacks an inner monologue, while the inner monologue of producer Rachel Carlson won’t stop chatting. But how well can a person know their inner self? And what does science have to say about it? We dig in in this encore episode of Short Wave.
To learn more about Charles Fernyhough’s research on voice hearing, visit the project website.
If you liked this episode, check out our episode on when your brain is actually an "adult."
Interested in more science inside your brain? Email us your question at [email protected].
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More than a century ago, all that people knew about European eels was that they lived in the rivers and streams for decades — until they swam out to the ocean and never returned. Eventually, tiny eels would show up and the cycle would start again. Where did the adult eels go? Where did the baby eels come from? Did they even reproduce at all or just spontaneously emerge into being? Science now has some — but not all — of the answers to these questions. Today on the show, Regina G. Barber talks to fish physiologist Arjan Palstra about this mystery and how close scientists are to solving it.
If you liked this episode, check out our episode on the Pacific lamprey.
Interested in more science mysteries? Email us your question at [email protected].
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In our latest science news roundup: how nature adapts, for better or worse.
When faced with pests, plants may not be able to run away – but that doesn’t mean they’re defenseless. Some have thorns or spines, others have poisonous leaves or berries, and still others have…elaborate chemical defense alarm systems? In a recent study, researchers discovered that the common bean plant, P. vulgaris, has a particularly innovative response to hungry caterpillars: a compound in the caterpillar's spit causes the plants to release a chemical signal that attracts wasps. Those wasps then eat the caterpillars or lay eggs in their bodies, effectively removing the threat. Today on the show, we’re diving into plant science and a round of other new scientific studies with All Things Considered host Sacha Pfeiffer.
If you're interested in the fibermaxxing episode Han mentioned, check it out here.
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Healthy forests help combat climate change, provide humans with drinking water and even improve mental and physical health. But it’s hard to imagine an entire forest in the middle of a big city. That’s where micro-forests come into play — public forests on a smaller scale, filled with native plants. They exist around the world, and producer Rachel Carlson went to visit the largest micro-forest in California in this encore episode. She joins host Emily Kwong to chat about what she saw.
Interested in more of the science behind urban nature? Email us your question at [email protected].
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You pick up your phone to do one quick task, and suddenly 20 minutes have flown by without you even noticing. How do apps do that to you? Science journalist Michaeleen Doucleff felt like her phone had superglue on it, holding her on it for hours each day while draining her of time and energy. Turns out, that feeling isn’t accidental. In her new book, Dopamine Kids, Michaeleen describes four features that tech companies add to apps to keep us scrolling for as long as possible. She’s sharing this superglue recipe with Short Wave host Emily Kwong … and explaining how these features can pull people into what scientists call a ‘dark flow’ state.
Interested in more tech and social media science? Email us your question at [email protected].
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This episode was produced by Hannah Chinn. It was edited by Rebecca Ramirez. Tyler Jones checked the facts. The audio engineer was Jimmy Keeley.
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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 [email protected].
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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 [email protected].
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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 [email protected] 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 [email protected].
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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 [email protected].
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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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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 [email protected].
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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 [email protected].
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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 [email protected].
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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 [email protected].
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