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PODCAST

Short Wave

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. Support public media by joining NPR+ at plus.npr.org. You’ll get perks for over 25 NPR podcasts, including sponsor-free listening for Short Wave.

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All Episodes

13:14

Thousands of earthquakes in Iceland may spell a...

Short Wave ·

2023/11/15

Saturday, the entire coastal town of Grindavik, Iceland was evacuated. That's because over the weekend, the country experienced nearly 2,000 earthquakes within 48 hours. And they've kept coming since then – in swarms. Scientists think the quakes are indicative of magma moving closer to the surface in the country's southwestern peninsula and that a local volcano could erupt at any moment. Today on the show, host Regina G. Barber talks to volcanologist Diana Roman about the science behind these

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9:41

How Venus got caught up in an 18th century space race

Short Wave ·

2023/11/13

In the 18th century the world was focused on Venus. Expeditions were launched in pursuit of exact measurements of Venus as it passed between Earth and the Sun. By viewing its journey and location on the Sun's surface, scientists hoped to make a massive leap in scientific knowledge. With a little help from math, Scientist in Residence Regina G. Barber recounts how humanity came closer to understanding our cosmic address — and relative distances to other planets — in the solar system. If you haven't

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11:03

Trailblazing Computer Scientist Fei-Fei Li on...

Short Wave ·

2023/11/10

AI is popping up everywhere nowadays. From medicine to science to the Hollywood strikes. Today, with computer scientist and AI pioneer Fei-Fei Li, we dig deeper into the history of the field, how machines really learn and how computer scientists take inspiration from the human brain in their work. Li's new memoir The Worlds I See traces the history of her move to the U.S. from China as a high school student and her coming-of-age with AI. Host Regina G. Barber talks to Li about her memoir, where the

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12:10

To Figure Out The Future Climate, Scientists Are...

Short Wave ·

2023/11/08

If you've ever looked up at the clouds and wondered where they came from, you're not alone. Atmospheric researcher Lubna Dada is fascinated by the mystery of how clouds form and what role they play in our climate. Today, host Aaron Scott talks to Dada about a recent study on the role of trees in cloud formation, and how this data will improve our current climate models. Want more stories on the environment or climate change? Email us at shortwave@npr.org.Learn more about sponsor message choices:

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13:14

Mapping The Seafloor Is Daunting But Key To Improving...

Short Wave ·

2023/11/06

Scientists have mapped less than 25% of the world's seafloor. Experts say that getting that number up to 100% would improve everything from tsunami warnings to the Internet and renewable energy. That's why there's currently a global effort to create a full, detailed map of the seabed by 2030. Today, we talk to Dawn Wright, a marine geographer and chief scientist at the Environmental Systems Research Institute about this effort.Curious about ocean science? Email us at shortwave@npr.org.Learn more

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8:48

Pulling An All-Nighter Is A Temporary Antidepressant

Short Wave ·

2023/11/03

What your parents didn't tell you about pulling an all-nighter? It just might ease depression for several days. At least, that's what researchers found happens to mice in a study published in the journal Neuron Thursday. Most people who've stayed up all night know the "tired and wired" feeling they get the next day. Scientists know this feeling can have a strong antidepressant effect in people that lasts for several days, even after the other changes wear off. But this new study may help researchers

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13:06

Sky Vaccines: Ridding Raccoons Of Rabies En Masse

Short Wave ·

2023/11/01

Every year, the USDA drops millions of oral rabies vaccines across fourteen states, mostly along the eastern seaboard. In urban and suburban areas, they use vehicles, but in rural areas, they drop the vaccines from planes. Host Regina G. Barber talks to USDA wildlife biologist Jordona Kirby about the agency's goal to wipe out rabies in one population in particular: raccoons.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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12:33

Thanks, Neanderthals: How our ancient relatives could...

Short Wave ·

2023/10/30

Antibiotics have changed the world. They've made it possible to treat diseases that used to mean anything from discomfort to death. But no new classes of antibiotics have made it to the market since the 1980s. What if humans' closest, ancient relatives held the answer to antibiotic resistance? Some scientists want to discover new antibiotics using machine learning ... and some very, very old relatives of humans. Host Aaron Scott talks to César de la Fuente about using computers to discover the first

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11:37

Scientist Just Made The Largest Brain Map Ever

Short Wave ·

2023/10/27

The human brain has more than 170 billion cells. A newly published atlas offers the most detailed maps yet of the location, structure and, in some cases, function of more than 3,000 types of brain cells. The atlas could help scientists understand what makes humans unique in the animal kingdom and the roles different brain cells play in disease. Science correspondent Jon Hamilton talks to host Regina G. Barber about the findings from this new map, a product of the NIH's BRAIN initiative. Plus, what

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11:13

How Climate Change Is Testing The Endangered Species Act

Short Wave ·

2023/10/25

Some people keep dogs in their backyards. In the Florida Keys, some residents have deer the size of a golden retriever in their yards. As sea levels rise and salt water climbs higher on the islands, it's shrinking habitat for this deer — which already has an estimated population of at most 1,000. Today, host Regina G. Barber hears from reporters Nate Rott and Ryan Kellman about the Key deer, and how rising sea levels are forcing wildlife managers to ask big questions about the future of the

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10:38

Why Gray Hair Is Coming For You

Short Wave ·

2023/10/23

As a kid, host Aaron Scott would dress up for Halloween as an older version of himself — complete with a cane, a set of polyester britches and painted gray hair. These days, that costume is becoming a bit more of a day-to-day reality. At least, the gray hair is. So today, in honor of all you out there flirting with gray hair, whether for a witch costume or just that exciting and terrifying thing called aging, we're digging into why hair turns gray.Learn more about sponsor message choices:

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9:01

Light Show! The Science Behind The Orionid Meteor Shower

Short Wave ·

2023/10/20

We're about to hit peak Orionid meteor shower! According to NASA, it's one of the most beautiful showers of the year. The Orionids are known for their brightness and speed — they streak through the sky at 66 km/s! And today, we learn all about them — where they come from, what makes a meteor a meteor and how to get the best view of them this weekend.Have a cosmic question? Email us at shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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11:56

Why Scientists Are Reanimating Spider Corpses For...

Short Wave ·

2023/10/18

That spider you squished? It could have been used for science! Today, we're bringing you Halloween a little early – Short Wave style! Host Regina G. Barber talks to Anil Oza about the scientists reanimating dead spiders: How they do it and why this might one day become a cheap, green way to do delicate science. Listen to Short Wave on Spotify, Apple Podcasts and Google Podcasts.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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12:34

How AI Is Speeding Up Scientific Discoveries

Short Wave ·

2023/10/16

Artificial intelligence can code computer programs, draw pictures and even take notes for doctors. Now, researchers are excited about the possibility that AI speeds up the scientific process — from quicker drug design to someday developing new hypotheses. Science correspondent Geoff Brumfiel talks about his visit to one protein lab already seeing promising results. Have an AI query? Send us your questions to shortwave@npr.org.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR

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11:25

The Microbiologist Studying The Giant Floating Petri...

Short Wave ·

2023/10/13

Microbiologist Monsi Roman joined NASA in 1989 to help design the International Space Station. As the chief microbiologist for life support systems on the ISS, Roman was tasked with building air and water systems to support crews in space. That meant predicting how microbes would behave and preventing them from disrupting missions. And so, on today's show, host Aaron Scott talks to Roman about microbes in space: the risks they pose and where they might take us in the future of space travel

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13:21

Florida Corals Are Dying. Can A 'Coral Gym' Help Them...

Short Wave ·

2023/10/11

Coral reefs in Florida have lost an estimated 90% of their corals in the last 40 years. And this summer, a record hot marine heat wave hit Florida's coral reefs, exacerbating that problem. Scientists are still assessing the damage as water temperatures cool. And one researcher is taking coral survival a step further: Buffing up corals in a "gym" in his lab. Reporter Kate Furby went to South Florida to see the coral reefs up close and talk to the innovative scientists working to save them. Questions

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11:44

Choose Your Own Adventure — But Make It Math

Short Wave ·

2023/10/09

Ever read those Choose Your Own Adventure books of the '80s and '90s? As a kid, mathematician Pamela Harris was hooked on them. Years later she realized how much those books have in common with her field, combinatorics, the branch of math concerned with counting. It, too, depends on thinking through endless, branching possibilities. So, she and several of her students set out to write a scholarly paper in the style of Choose Your Own Adventure books. In this encore episode, Dr. Harris tells host

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15:16

Body Electric: The Body Through The Ages

Short Wave ·

2023/10/07

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9:17

It's Fat Bear Week!

Short Wave ·

2023/10/06

Y'all, it's the most wonderful time of the year: Fat Bear Week! Brown bears in Katmai National Park and Preserve are putting on the pounds before they hibernate. During this time, their metabolism, heart and breathing rate slow way down and they recycle their waste internally. Today, we look at the cool (and peculiar) biological processes taking place during hibernation. Plus, we talk through some other science headlines we're obsessing over, including the light pollution from satellites and how

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12:19

Why Chilean Mummies Are Decomposing After 7,000 Years

Short Wave ·

2023/10/04

Here on Short Wave, we're getting into the Halloween spirit a little early with a look at the world's oldest mummies. They're found in modern-day northern Chile. The mummies are well-preserved, so over the past 7,000 years, some have been exhumed for scientific study. But recently, something startling happened: Some of the mummies started to decompose. Today on the show, Regina G. Barber talks to archeologist Marcela Sepulveda about the civilization that made these mummies: the Chinchorro people. We

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1,540 results

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