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Short Wave

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New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong and Regina Barber for science on a different wavelength.

If you're hooked, try Short Wave Plus. Your subscription supports the show and unlocks a sponsor-free feed. Learn more at plus.npr.org/shortwave
1042 Episodes
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According to the CDC, about one in four adults has a fear of needles. Many of those people say the phobia started when they were kids. For some people, the fear of needles is strong enough that they avoid getting important treatments, vaccines or tests. That poses a serious problem for public health. Researchers have helped develop a five step plan to help prevent what they call "needless pain" for kids getting injections or their blood drawn. Guest host Tom Dreisbach talks with Dr. Stefan Friedrichsdorf of UCSF Benioff Children's Hospitals, who works with a team to implement the plan at his own hospital. Friedrichsdorf told us some of the most important research on eliminating pain has come from researchers in Canada. Learn more about their work here. This episode was inspired by the reporting of our colleague April Dembosky, a journalist at member station KQED and KFF Health News. Read her digital story here.Got another question for a doctor? Email us at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Few humans have had the opportunity to see Earth from space, much less live in space. We got to talk to one of these lucky people — NASA astronaut Loral O'Hara. She will soon conclude her nearly seven month stay on the International Space Station. Transmitting from space to your ears, Loral talks to host Regina G. Barber about her dreams in microgravity, and her research on the ISS: 3D-printing human heart tissue, how the human brain and body adapt to microgravity, and how space changes the immune systems of plants. Have questions you want us to send to outers pace? Email us at shortwave@npr.org!Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Across the animal kingdom, menopause is something of an evolutionary blip. We humans are one of the few animals to experience it. But Sam Ellis, a researcher in animal behavior, argues that this isn't so surprising. "The best way to propagate your genes is to get as many offspring as possible into the next generation," says Ellis. "The best way to do that is almost always to reproduce your whole life." So how did menopause evolve? The answer may lie in whales. Ellis and his team at the University of Exeter recently published a study in the journal Nature that studies the evolution of menopause in the undersea animals most known for it. What they uncovered may even help explain menopause in humans. Curious about other animal behavior mysteries? Email us at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
The number of newborns born with syphilis – a serious sexually transmitted infection – has skyrocketed 755% from 2012 to 2021. These babies have congenital syphilis, which is when the infection is passed from mother to baby during pregnancy. It can have dire consequences if left untreated. The surge has left medical professionals and public health leaders scrambling for solutions to stop the spread. Today on the show, Chicago based journalist Indira Khera talks to Emily Kwong about what's behind this mysterious public health crisis – and brings us inside Illinois' Perinatal Syphilis Warmline.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
When Shohini Ghose was studying physics as a kid, she heard certain names repeated over and over. "Einstein, Newton, Schrodinger ... they're all men." Shohini wanted to change that — so she decided to write a book about some of the women scientists missing from her grade school physics textbooks. It's called Her Space, Her Time: How Trailblazing Women Scientists Decoded the Hidden Universe. This episode, she talks to Short Wave host Regina G. Barber about uncovering the women physicists she admires — and how their stories have led her to reflect on her own. Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Nuclear fusion could one day change the world by producing energy at lower costs than we generate it now — without greenhouse gas emissions or long-term nuclear waste. If we can get it to work. People have been promising nuclear fusion as a new, clean source of power for decades without much tangible success. But lately, billions of dollars from venture capitalists and tech entrepreneurs have flowed into the field. Science correspondent Geoff Brumfiel shares his reporting on some of the companies racing towards what could be the world's first commercial fusion power plants.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
"Long COVID has affected every part of my life," said Virginia resident Rachel Beale said at a recent Senate hearing. "I wake up every day feeling tired, nauseous and dizzy. I immediately start planning when I can lay down again." Beale is far from alone. Many of her experiences have been echoed by others dealing with long COVID. It's a constellation of debilitating symptoms that range from brain fog and intense physical fatigue to depression and anxiety. But there's new, promising research that sheds light onto some symptoms. NPR health correspondent Will Stone talks with Short Wave host Regina G. Barber about the state of long COVID research — what we know, what we don't and when we can expect treatments or even cures for it. Have more COVID questions you want us to cover? Email us at shortwave@npr.org — we'd love to hear from you.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Coming down from the buzz of the Oscars, we're taking a look at Christopher Nolan's award-winning film 'Oppenheimer.' It chronicles the life and legacy of J. Robert Oppenheimer, the first director of Los Alamos National Laboratory and the so-called "Father of the Atomic Bomb." The movie does not shy away from science — and neither do we. We talked to current scientists at Los Alamos about the past and present science of nuclear weapons like the atomic bomb.Read more about the Manhattan Project.Have other historical science or science in pop culture you want us to cover? Email us at shortwave@npr.org — we'd love to hear from you!Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Neuroscientist Nathan Sawtell has spent a lot of time studying the electric elephantnose fish. These fish send and decipher weak electric signals, which Sawtell hopes will eventually help neuroscientists better understand how the brain filters sensory information about the outside world. As Sawtell has studied these electric critters, he's had a lingering question: why do they always seem to organize themselves in a particular orientation. At first, he couldn't figure out why, but a new study released this week in Nature may have an answer: the fish are creating an electrical network larger than any field a single fish can muster alone, and providing collective knowledge about potential dangers in the surrounding water. Want to hear us cover more animal news? Email the show at shortwave@npr.org to let us know!Listen to Short Wave on Spotify, Apple Podcasts and Google Podcasts.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
The Voyager 1 space probe is the farthest human-made object in space. It launched in 1977 with a golden record on board that carried assorted sounds of our home planet: greetings in many different languages, dogs barking, and the sound of two people kissing, to name but a few examples. The idea with this record was that someday, Voyager 1 might be our emissary to alien life – an audible time capsule of Earth's beings. Since its launch, it also managed to complete missions to Jupiter and Saturn. In 2012, it crossed into interstellar space. But a few months ago, the probe encountered a problem. "It's an elderly spacecraft," says NPR science correspondent Nell Greenfieldboyce, "and it had some kind of electronic stroke." Greenfieldboyce talks to Short Wave Host Regina G. Barber about the precarious status of Voyager 1 – the glitch threatening its mission, and the increasingly risky measures NASA is taking to try and restore it. What interstellar adventure should we cover next? Email the show at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Recently, the US Food and Drug Administration approved a first-of-its-kind cancer therapy to treat aggresive forms of skin cancer. It has us thinking of the long history of cancer. One of the first recorded mentions of cancer appears in an ancient Egyptian text from around 3000 B.C. And although we now know much more about how cancer begins — as a series of mutations in someone's DNA — it's a disease people are still grappling with how to cure cancers today. This episode, cancer epidemiologist Mariana Stern talks about cancer history and treatment today — plus, why some people are more prone to certain cancers and why that might matter for curing them.Want to hear about advances in medicine? Email the show at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
The sci-fi film Dune: Part Two is out in theaters now. The movie takes place on the harsh desert planet, Arrakis, where water is scarce and giant, killer sandworms lurk just beneath the surface. But what do planetary scientists and biologists think about the science of these worms, Arrakis and our other favorite sci-fi planets? Today on the show, Regina G. Barber talks to biologist (and Star Trek consultant!) Mohamed Noor and planetary scientist Michael Wong about Dune, habitable planets and how to make fantasy seem more realistic. Want more of the science behind your favorite fictional worlds? Email us at shortwave@npr.org. Listen to Short Wave on Spotify, Apple Podcasts and Google Podcasts. Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
According to the United Nations, about ten percent of the world is undernourished. It's a daunting statistic — unless your name is Hannah Ritchie. She's the data scientist behind the new book Not the End of the World: How We Can Be the First Generation to Build a Sustainable Planet. It's a seriously big thought experiment: How do we feed everyone on Earth sustainably? And because it's just as much an economically pressing question as it is a scientific one, Darian Woods of The Indicator from Planet Money joins us. With Hannah's help, Darian unpacks how to meet the needs of billions of people without destroying the planet.Questions or ideas for a future show? Email us at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
An Alabama Supreme Court ruling that frozen embryos can be considered "extrauterine children" under state law has major implications for how in vitro fertilization, commonly called IVF, is performed. Since the first successful in vitro fertilization pregnancy and live birth in 1978, nearly half a million babies have been born using IVF in the United States. Reproductive endocrinologist Amanda Adeleye explains the science behind IVF, the barriers to accessing it and her concerns about fertility treatment in the post-Roe landscape.Read more about the science of IVF.Questions or ideas for a future episode of Short Wave? Email us at shortwave@npr.org — we'd love to hear from you!Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
In the green tree canopies of forested areas in Myanmar, you might wake up to the sounds of gibbons singing love songs. Gibbons start their day with passionate duets and, though these love songs may sound a little different than the ones in your playlists, they just helped researchers figure out that Myanmar has the largest population of an endangered gibbon species on Earth. They're called skywalker gibbons, and until recently, scientists thought there were fewer than 200 of them – all living in southwestern China. Want to hear us cover more animal news? Email the show at shortwave@npr.org to let us know!Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
When The Sun Erupts

When The Sun Erupts

2024-02-2114:411

We are at the height of the Sun's activity in its eleven year cycle, known to astronomers as the solar maximum. This means that over the next several months there's going to be a lot of solar activity. It's got us thinking back to 1859. That's when astronomer Richard Carrington was studying the Sun when he witnessed the most intense geomagnetic storm recorded in history. The storm, triggered by a giant solar flare, sent brilliant auroral displays across the globe causing electrical sparking and fires in telegraph stations. This encore episode, Regina talks to solar physicist Dr. Samaiyah Farid about what's now known as the Carrington event and about what may happen the next time a massive solar storm hits Earth.Want to hear us cover other parts of the solar system? Email the show at shortwave@npr.org to let us know!Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Lately, paleoecologist Audrey Rowe has been a bit preoccupied with a girl named Elma. That's because Elma is ... a woolly mammoth. And 14,000 years ago, when Elma was alive, her habitat in interior Alaska was rapidly changing. The Ice Age was coming to a close and human hunters were starting early settlements. Which leads to an intriguing question: Who, or what, killed her? In the search for answers, Audrey traces Elma's life and journey through — get this — a single tusk. Today, she shares her insights on what the mammoth extinction from thousands of years ago can teach us about megafauna extinctions today with guest host Nate Rott. Thoughts on other ancient animal stories we should tell? Email us at shortwave@npr.org and we might make a future episode about it!Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Every year, billions of animals across the globe embark on journeys. They fly, crawl, walk or slither – often across thousands of miles of land or water – to find better food, more agreeable weather or a place to breed. Think monarch butterflies, penguins, wild Pacific salmon. These species are crucial to the world as we know it. But until this week, there has never been an official assessment of the world's migratory animals. So today on the show, correspondent Nate Rott shares the first-ever report on state of the world's migratory animals – the threats facing them and what can be done to help. Are you afraid of needles or shots? Send us a voice memo with your story at shortwave@npr.org. We'd love to hear about it for an upcoming episode. Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
In a Valentine's Day exclusive report, NPR has learned there is currently a gay anteater couple at Smithsonian's National Zoo and Conservation Biology Institute in Washington D.C.But this couple is just the tip of the proverbial iceberg when it comes to queerness in the animal world – it's been documented in hundreds of species. We spoke with wildlife ecologist Christine Wilkinson of the "Queer is Natural" TikTok series to uncover the wildest, queerest animals of the bunch. Questions, comments or thoughts on queer animal love? Email us at shortwave@npr.org and we might feature it on a future episode!Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Happy Lunar New Year! According to the Chinese lunisolar calendar, the new year began Saturday. For many, like our host Regina G. Barber, this calendar and its cultural holidays can feel completely detached from the Gregorian calendar. Growing up, she associated the former with the Spring Festival and getting money in red envelopes from relatives, and the other with more American traditions. But the Chinese calendar has a deep, centuries-long shared history with the Gregorian calendar. To learn more about this shared history, Gina talks to scientists and historians, who spill the tea about the science behind calendars, and how both calendars and the Chinese Lunar New Year celebration played a key role in the rise and fall of empires. Email us shortwave@npr.org for more science history. Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
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Comments (175)

Arpita Sen Gupta

ALL>FUL>MOVIES>LINK👉https://co.fastmovies.org

Feb 24th
Reply

it

OMG, thanks for talking about this! I hate LEDs flicker AND over-brighteness! ESPECIALLY in cars!!! DANGEROUS!!!

Dec 25th
Reply

Nicky Dierx

It makes sense that they would be afraid of larger more dangerous versions of spiders. I'd be afraid of a giant humanoid too at first.

Sep 15th
Reply

samira gh

where can I find the transcript?

Jun 29th
Reply

Patrick Vallone

They're talking about levees breaking and not one American pie joke, in so disappointed.

Jun 15th
Reply (1)

it

i want the links promised!

Mar 31st
Reply

Ken Adams

love most of the shows but this one desperately needed links to the images being discussed.

Feb 28th
Reply

Nupura

this was cool

Sep 29th
Reply

it

I resent the idea that the piece on learning Chinese as an adult is not a science piece...

Aug 23rd
Reply

ruben gr

this episode seems incredibly similar to the science of spicyness by Rose Eveleth

Aug 2nd
Reply

张亚洁

😭

Jul 9th
Reply

M E

wow I really like this.

Jun 26th
Reply

it

one of the best ever!

Jun 21st
Reply

PlusCH3

Wow...It is crazy all the steps they recommend taking to ensure that your #data doesn't get used against you if you need to get an #abortion

Jun 3rd
Reply

Teresa Ellis

I was swayed by the argument brought up by the Turnaway Study until I remembered the case of Francesca Rojas, 1892, Necochea, Argentina. To better her chances of marrying a man, she murdered her two children. How is this different from an abortion to improve a woman's position in life? Or a dead-beat dad who leaves, because he isn't ready for the responsibility? An abortion for anything other than rape, incest or a direct threat to the woman's life is equivalent to what Francesca Rojas did. Removing an inconvenient life. Birth control exists, abortion should not be treated like birth control.

May 16th
Reply

Dani Malawista

Heartbreaking :-(

May 10th
Reply

Patrecia Sapulette

wait.. what's banana leaves have to do with male white colonialism ?? dangit I listened to this podcast to learn about scientific stuff in banana leaves! not some discrimination stuff..Clickbait!

May 7th
Reply

PlusCH3

Really inspiring @emilykwong1234, thank you for sharing your #marathon journey! #NPR #NPRShortWave #TIL

Mar 11th
Reply

sam brown

still the best random curiosity crumpet podcast perfect coffee break distraction

Mar 2nd
Reply

it

oh yeah!

Feb 23rd
Reply
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