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1.579 afleveringen, van nieuw naar oud
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The Science Of Wildfire Smoke
27 augustus 2020 · 13 min
Smoke from wildfires can travel huge distances. We've already seen smoke from the fires in California reach all the way to Minnesota. And with all that smoke comes possible risks to human health. So what actually is smoke? Jessica Gilman, an atmospheric chemist with the National Oceanic and Atmospheric Administration, explains what it's made of, how it behaves in the atmosphere, and smoke's role in climate change. Lees meer
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What Does A Healthy Rainforest Sound Like?
26 augustus 2020 · 13 min
On a rapidly changing planet, there are many ways to measure the health of an ecosystem. Can sound be one of them? We dive into a new methodology that applies machine learning technology to audio soundscape recordings. Lead researcher Sarab Sethi explains how this method could be used to potentially predict ecosystem health around the world. Lees meer
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Scorpion Vs Mouse: A Mind-Blowing Desert Showdown
25 augustus 2020 · 14 min
Encore episode. This one doesn't end the way you'd expect. Inspired by the Netflix documentary series "Night On Earth," we learn everything we can about a mouse and scorpion who do battle on the regular — from two scientists who study them: Ashlee Rowe at the University of Oklahoma and Lauren Esposito at the California Academy of Sciences. Lees meer
If you have Netflix, you can watch the critters clash about 18 minutes into the episode 'Moonlit Plains' here.
Read more about Lauren's work with scorpions here, and Ashlee's work with grasshopper mice here. And you can learn more about grasshopper mouse vocalizations from Northern Arizona University's Bret Pasch here.
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Safely Socializing In The Time Of 'Rona
24 augustus 2020 · 13 min
Socializing is critical for mental and emotional health. You need it. We need it. But what's the safest way to socialize during a pandemic? We propose a few rules-of-thumb and suggestions to see you through, whether you're isolating at home or an essential worker on the job. Plus, check out Yuki Noguchi's reporting on cancer's deepening impacts during the pandemic. Lees meer
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Science Movie Club: 'Arrival'
21 augustus 2020 · 13 min
The 2016 movie 'Arrival,' an adaptation of Ted Chiang's novella 'Story of Your Life,' captured the imaginations of science fiction fans worldwide. Field linguist Jessica Coon, who consulted on the film, breaks down what the movie gets right — and wrong — about linguistics. Lees meer
Have ideas for our next installment of the Science Movie Club? Email the show at shortwave@npr.org.
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How The Lack of Fans Is Changing the Psychology of Sports
20 augustus 2020 · 11 min
Professional sports are back - but it's anything but normal. The most obvious difference is the glaring absence of fans in the stands. This has led to some creative experimentation with recordings of crowd noise being piped into venues. We talk to a sports psychology researcher about the effects that empty bleachers and lack of real crowd noise are having on players, coaches, referees and fans. Lees meer
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The Science Behind Storytelling
19 augustus 2020 · 13 min
Encore episode. Storytelling can be a powerful tool to convey information, even in the world of science. It can also shift stereotypes about who scientists are. We talked to someone who knows all about this — Liz Neeley, the Executive Director of Story Collider, a nonprofit focused on telling "true, personal stories about science." Lees meer
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Farming Releases Carbon From The Earth's Soil Into The Air. Can We Put It Back?
18 augustus 2020 · 13 min
Traditional farming depletes the soil and releases carbon dioxide into the atmosphere. But decades ago, a scientist named Rattan Lal helped start a movement based on the idea that carbon could be put back into the soil — a practice known today as "regenerative agriculture." Lees meer
NPR food and agriculture correspondent Dan Charles explains how it works and why the idea is having a moment.
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The Science Is Simple, So Why Is Opening Schools So Complicated?
17 augustus 2020 · 14 min
School districts, parents and teachers are all facing big decisions about how to return to the classroom this fall. NPR health correspondent Allison Aubrey and education correspondent Cory Turner join Geoff Brumfiel to discuss what the science says about kids and COVID-19, what schools are doing to try to keep students and teachers safe and why there are so many differing approaches in school districts around the U.S. Lees meer
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Save The Parasites
14 augustus 2020 · 13 min
Saving endangered species usually brings to mind tigers or whales. But scientists say many parasites are also at risk of extinction. Short Wave's Emily Kwong talks with Chelsea Wood, an Assistant Professor in the School of Aquatic and Fishery Sciences at the University of Washington, who tells us about the important role parasites play in ecosystems and a new global plan to protect them. Lees meer
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How To Know If A Hurricane Is Coming For You
13 augustus 2020 · 13 min
Federal forecasters are predicting a busy hurricane season this year — three to six of them could be major hurricanes. So how do you know if one is headed toward your community, and if so, how to prepare? There are maps and forecasts, but they're often confusing. NPR climate reporter Rebecca Hersher explains how to avoid the most common mistakes. Lees meer
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1st U.S. Dog With COVID-19 Has Died, And There's A Lot We Still Don't Know
12 augustus 2020 · 13 min
Buddy, an adult German shepherd from Staten Island, was the first dog in the U.S. to test positive for the coronavirus. His death reveals just how little we know about COVID-19 and pets. Natasha Daly reported on Buddy's story exclusively for National Geographic. Lees meer
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Gene-Altered Squid Could Be The Next Lab Rats
11 augustus 2020 · 12 min
The first genetically altered squid is here. NPR's Nell Greenfieldboyce explains how this breakthrough was made and why it's a game changer for scientists who study these critters. Lees meer
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Why Herd Immunity Won't Save Us
10 augustus 2020 · 14 min
Herd immunity. It's the idea that enough people become immune to an infectious disease that it's no longer likely to spread. It makes sense theoretically. But as NPR's Geoff Brumfiel tells us, the reality — in this coronavirus pandemic and without a vaccine — is potentially full of risk and maybe even unachievable. Lees meer
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Micro Wave: Spreading Warm Bread With Socks
7 augustus 2020 · 9 min
It's another Micro Wave! Today, what happens in your brain when you notice a semantic or grammatical mistake ... according to neuroscience. Sarah Phillips, a neurolinguist, tells us all about the N400 and the P600 responses. Lees meer
Plus, we dive into some listener mail — which you can send to us by emailing shortwave@npr.org.
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Wearing A Mask Could Be Even More Important Than We Thought
6 augustus 2020 · 13 min
A new paper and growing observational evidence suggest that a mask could protect you from developing a serious case of COVID-19 — by cutting down on the amount of virus that takes root in your body. Lees meer
Katherine Wu reported on that evidence for the New York Times.
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How Gene Therapy Helped Conner Run
5 augustus 2020 · 12 min
Gene therapy has helped a 9-year-old boy regain enough muscle strength to run. If successful in others, it could change the lives of thousands of children with Duchenne muscular dystrophy. NPR's Jon Hamilton tells us about Conner and his family...and one of the scientists who helped develop the treatment, a pioneer in the field of gene therapy. Lees meer
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The Search For Ancient Civilizations On Earth ... From Space
4 augustus 2020 · 12 min
Encore episode. Sarah Parcak explains how she uses satellite imagery and data to solve one of the biggest challenges in archaeology: where to start digging. Her book is called 'Archaeology From Space: How The Future Shapes Our Past'. Lees meer
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Pregnancy And COVID-19: What We Know And How To Protect Yourself
3 augustus 2020 · 13 min
How dangerous is COVID-19 for pregnant women and their babies? The research has been scant and the data spotty. Dr. Laura Riley, the chair of obstetrics and gynecology at Weill Cornell Medicine and the Obstetrician-in-Chief at New York-Presbyterian, explains what we know at this point and what pregnant women can do to protect themselves. Lees meer
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Coronavirus Q&A: Running Outside, Petting Dogs, And More
31 juli 2020 · 14 min
What's the deal with wiping down groceries? How often should you sanitize your phone? Can you greet other people's dogs? In this episode, an excerpt of Maddie's appearance on another NPR podcast where she answered those questions and more. Lees meer
Listen to 'It's Been A Minute with Sam Sanders' on Apple Podcasts or Spotify.
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Butterflies Have Hearts In Their Wings. You'll Never Guess Where They Have Eyes
30 juli 2020 · 14 min
Adriana Briscoe, a professor of biology and ecology at UC Irvine, studies vision in butterflies. As part of her research, she's trained them to detect light of a certain color. She also explains why they bask in the sunlight, and why some of them have 'hearts' in their wings. Lees meer
Plus ... you'll never guess where their photoreceptors are.
She's written about the importance of teachers and mentors in diversifying the STEM fields.
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Mars Is The Place To Go This Summer
29 juli 2020 · 10 min
The United Arab Emirates launched a mission to Mars earlier this month, followed by China days later. And tomorrow, NASA is scheduled to launch its own mission to the red planet that includes a six-wheeled rover called Perseverance, as well as a tiny helicopter. Short Wave reporter Emily Kwong talks with NPR's Joe Palca, who explains why these launches are happening now and the goal of the missions when they get there. Lees meer
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The Controversy Around COVID-19 Hospital Data
28 juli 2020 · 10 min
Data are so more than just a bunch of numbers, especially when it's the data hospitals are reporting about COVID-19. Earlier this month, the Trump Administration made a sudden change to the way that information is shared. The process bypasses the Centers for Disease Control and Prevention, raising concern among some public health officials. NPR's Pien Huang explains the recent controversy, and why the way COVID-19 hospital data are reported is such a big deal. Lees meer
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Eavesdropping On Whales In A Quiet Ocean
27 juli 2020 · 12 min
The pandemic has led to a drop in ship traffic around the world, which means the oceans are quieter. It could be momentary relief for marine mammals that are highly sensitive to noise. NPR's Lauren Sommer introduces us to scientists who are listening in, hoping to learn how whale communication is changing when the drone of ships is turned down. Lees meer
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Why Shame Is A Bad Public Health Tool — Especially In A Pandemic
24 juli 2020 · 15 min
So much of dealing with the pandemic is about how each of us behaves in public. And it's easy to get mad when we see people not following public health guidelines, especially when it looks like they're having fun. Lees meer
But Julia Marcus of Harvard Medical School says there are pitfalls to focusing only on what we can see, and more empathetic ways to create new social norms.
Julia's written about that for The Atlantic. Here's some of her recent work.
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CDC Employees Call Out A 'Toxic Culture Of Racial Aggressions'
23 juli 2020 · 16 min
Over 1,400 current Centers for Disease Control and Prevention (CDC) employees are demanding that the organization "clean its own house" of what they're calling a "culture of toxic racial aggression, bullying and marginalization." NPR reporter Selena Simmons-Duffin broke this story and tells us what the response has been from CDC and former employees. Lees meer
Read the letter and Selena's reporting.
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America's 'Never-Ending Battle Against Flesh-Eating Screw Worms'
22 juli 2020 · 12 min
Sarah Zhang wrote about it for the Atlantic: a decades-long scientific operation in Central America that keeps flesh-eating screw worms effectively eradicated from every country north of Panama. Sarah tells the story of the science behind the effort, and the man who came up with it. Lees meer
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Fat Phobia And Its Racist Past And Present
21 juli 2020 · 13 min
Where does our preference for thinness really come from? As Sabrina Strings explains in her book, Fearing the Black Body, the answer is much more complicated than health or aesthetics. She argues the origins of modern day fat phobia can be traced all the way back to slavery, and Black people are still dealing with the consequences. Lees meer
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The Troubling Link Between Deforestation and Disease
20 juli 2020 · 12 min
There's evidence deforestation has gotten worse under the pandemic. It's especially troubling news. Scientists are discovering a strong correlation between deforestation and disease outbreaks. NPR correspondent Nathan Rott talks to Short Wave reporter Emily Kwong. Lees meer
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Micro Wave: The Science Of Microwave Ovens + Listener Mail
17 juli 2020 · 9 min
Introducing Micro Waves: low-calorie episodes featuring bite-sized science, mail from our listeners, and...maybe other stuff in the future? We'll figure it out. Lees meer
Write to us at shortwave@npr.org.
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Why The Pandemic Is Getting Worse... And How To Think About The Future
16 juli 2020 · 14 min
Rising cases, not enough testing, and not enough people taking the virus seriously. NPR science correspondent Richard Harris explains why the virus is surging again, what's causing lower fatality rates, and how to think about the future of the pandemic. Lees meer
For more on death rates in the latest surge, read: "COVID-19 Cases Are Rising, So Why Are Deaths Flatlining?"
Follow Maddie at @maddie_sofia and Richard @rrichardh. Email the show at shortwave@npr.org.
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Understanding Unconscious Bias
15 juli 2020 · 13 min
The human brain can process 11 million bits of information every second. But our conscious minds can handle only 40 to 50 bits of information a second. So our brains sometimes take cognitive shortcuts that can lead to unconscious or implicit bias, with serious consequences for how we perceive and act toward other people. Where does unconscious bias come from? How does it work in the brain and ultimately impact society? Lees meer
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Why Do Flying Snakes Wiggle In The Air?
14 juli 2020 · 12 min
Some snakes can fly, and we don't mean on a plane. Certain snakes that live in South and Southeast Asia can leap off branches, undulating through the air, onto another tree. But why do they wiggle? NPR science correspondent Nell Greenfieldboyce shares one researcher's quest to find out. Lees meer
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How Record Heat In Siberia Is Messing With...Everything
13 juli 2020 · 14 min
Climate change and this year's weather patterns are behind the record-breaking heat in Siberia. NPR Climate Reporter Rebecca Hersher tells us how it's contributed to all sorts of problems there — mosquito swarms, buckling roads, wildfires. And we'll hear how these high temps are threatening the livelihoods of Indigenous Russians. Lees meer
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Lightbulbs Strike Back
10 juli 2020 · 13 min
Encore episode. Humans have a long history of inventions that shape the world around us: electricity, telephones, computers, music — the list goes on. But as Ainissa Ramirez explains in her new book, The Alchemy of Us, those inventions are shaping us, too. Lees meer
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The Congolese Doctor Who Discovered Ebola
9 juli 2020 · 14 min
Encore episode. Jean-Jacques Muyembe is a Congolese doctor who headed up the response to the recent Ebola outbreak in Congo. Back in 1976, he was the first doctor to collect a sample of the virus. But his crucial role in discovering Ebola is often overlooked. NPR's East Africa correspondent Eyder Peralta helps us correct the record. Lees meer
Follow Eyder on Twitter — he's @eyderp and Maddie's @maddie_sofia.
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This NASA Engineer Is Bringing Math And Science To Hip-Hop
8 juli 2020 · 13 min
Encore episode. NASA engineer Dajae Williams is using hip hop to make math and science more accessible to young people of color. We talk with Dajae about her path to NASA, and how music helped her fall in love with math and science when she was a teenager. Lees meer
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Honeybees Need Your Help
7 juli 2020 · 12 min
Encore episode. A deadly triangle of factors is killing off U.S. honeybees. Last year, forty percent of honeybee colonies died in the U.S., continuing an alarming trend. Entomologist Sammy Ramsey tells host Maddie Sofia about the "three P's" and what listeners can do to help our fuzzy-flighted friends. Lees meer
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The Importance Of Black Doctors
6 juli 2020 · 15 min
Though Black Americans make up 13% of the U.S. population, they represent only 5% of physicians. How does that lack of diversity in the physician workforce impact Black patients' health and well-being? Dr. Owen Garrick, the CEO and President of Bridge Clinical Research, wanted to know. Lees meer
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Typhoid Mary: Lessons From An Infamous Quarantine
3 juli 2020 · 44 min
A special episode from our colleagues at NPR's history podcast Throughline. Lees meer
When a cook who carried typhoid fever showed no symptoms and refused to stop working, authorities forcibly quarantined her for nearly three decades. Was she a perfect villain? Or a woman scapegoated because of her background?
Throughline hosts Rund Abdelfatah and Ramtin Arablouei tell the story of Typhoid Mary — a story about journalism, the powers of the state, and the tension between personal freedom and public health.
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Backyard Birding 101
2 juli 2020 · 10 min
If you pay attention to what's going on in your own backyard, ornithologist Viviana Ruiz Gutierrez says the birds among us have been putting on a great show. Gutierrez explains migration, mating dances, nesting, and shares tips on how to be hospitable to the birds in your neighborhood. Lees meer
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One Way To Slow Coronavirus Outbreaks At Meatpacking Plants? A Lot Of Testing
1 juli 2020 · 12 min
Meatpacking plants have been some of the biggest COVID-19 hot spots in the country. Thousands of workers have been infected, dozens have died. As plants reopen, one strategy has helped slow the virus's spread: large-scale employee testing. NPR food and agriculture correspondent Dan Charles explains how this approach could be a lesson for other industries as well. Lees meer
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Octocopter Set to Explore Titan, Saturn's Very Cool Moon
30 juni 2020 · 13 min
NASA is on a mission to explore Titan — the largest moon of Saturn. To do that, scientists are building a nuclear-powered, self-driving drone (technically an octocopter) called Dragonfly. Scheduled to launch in 2026 and arrive on Titan in 2034, Dragonfly could provide clues about how the building blocks of life started here on Earth. Lees meer
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Meet The Climate Scientist Trying to Fly Less for Work
29 juni 2020 · 12 min
A few years ago, climate scientist Kim Cobb had a brutal realization about how much she was flying for conferences and meetings. Those flights were adding lots of climate-warming carbon dioxide into the atmosphere. Host Maddie Sofia talks with her about her push to get scientists to fly less for work, and what happened when the pandemic suddenly made that idea a reality. Lees meer
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A COVID-19 Vaccine: What You Need To Know
26 juni 2020 · 11 min
Approximately 200 COVID-19 vaccines are being actively developed, a process that health officials are expediting to help end the pandemic. Today on the show, NPR science correspondent Joe Palca walks us through the latest in vaccine development — from how a coronavirus vaccine would work to the challenges of distributing it to the world. Lees meer
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Minneapolis' Bold Plan To Tackle Racial Inequity And Climate Change
25 juni 2020 · 13 min
Racial discrimination shaped the map of Minneapolis. Then city zoning locked many of those patterns into place. Maddie talks with NPR climate reporter Lauren Sommer about Minneapolis' bold plan to tackle housing disparities — and climate change. The new rules went into effect earlier this year. Community groups are calling on the city to follow through. Lees meer
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The Science Behind That Fresh Rain Smell
24 juni 2020 · 11 min
Scientists have known for decades that one of the main causes of the smell of fresh rain is geosmin: a chemical compound produced by soil-dwelling bacteria. But why do the bacteria make it in the first place? It was a bacteria-based mystery... until now! Maddie gets some answers from reporter Emily Vaughn, former Short Wave intern. Lees meer
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Tech Companies Are Limiting Police Use of Facial Recognition. Here's Why
23 juni 2020 · 14 min
Earlier this month, IBM said it was getting out of the facial recognition business. Then Amazon and Microsoft announced prohibitions on law enforcement using their facial recognition tech. There's growing evidence these algorithmic systems are riddled with gender and racial bias. Today on the show, Short Wave speaks with AI policy researcher Mutale Nkonde about algorithmic bias — how facial recognition software can discriminate and reflect the biases of society. Lees meer
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There Is No 'Second Wave'
22 juni 2020 · 9 min
America is still stuck in the first one. Maddie and Emily examine how the idea of a 'second wave' of coronavirus might have taken hold. Lees meer
NPR science correspondent Nurith Aizenman's report on why the first wave isn't over.
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A Kazoo And The Evolution Of Speech
19 juni 2020 · 13 min
Encore episode. Researchers discovered that this simple instrument could offer insights into the evolution of human speech. Short Wave reporter Emily Kwong talks with primatologist Adriano Lameira about a growing body of evidence that humans may not be the only great apes with voice control. Lees meer
Read the paper he published last year.
P.S. Sign up for our trivia night this Tuesday, June 23, at 8 pm EDT!
Follow Maddie Sofia @maddie_sofia and Emily Kwong @emilykwong1234. Email the show at shortwave@npr.org.
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