Short Wave

Nov 20 2024 1173 ep. 12 mins 20.4k

Short Wave Podcast artwork

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

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The Mystery of the Dead Coho Salmon

Nov 20 2024 11 mins

For decades, Coho salmon were turning up dead in urban streams the Pacific Northwest. The salmon would stop swimming straight, and then die before they had a chance to spawn. Researchers worried that unless they figured out the cause, the species would eventually go extinct. Enter a formidable crew of biologists, modelers, community scientists, environmental chemists. After eventua

How To Have Hard Conversations

Nov 19 2024 14 mins

Many people are gearing up for holiday conversations with loved ones who may disagree with them — on everything from politics to religion and lifestyle choices. As the conversations unfold, these divisions are visible in our brains too. These conversations can get personal and come to a halt fast. But today on the show we get into research in neuroscience and psychology showing t

Don't Let Jet Lag Ruin Your Holiday Plans

Nov 18 2024 13 mins

Getting enough sleep regularly can be tough — and even harder when you're traveling for the holidays. "We need sleep like we need water," says Jade Wu, a behavioral sleep medicine psychologist and author of the book Hello Sleep. She and host Regina G. Barber discuss what's happening to our bodies when we get jet lag and the clocks in our body get out of whack. They also get into

The Mystery Mollusk Roaming The Midnight Zone

Nov 15 2024 8 mins

This critter lurks in the ocean's midnight zone, has a voluminous hood, is completely see through and is bioluminescent. It's unlike any nudibranchs deep sea experts have ever seen before — and now, the researchers who spent twenty years studying them have finally published their findings. Have another scientific discovery you want us to cover on a future episode? Email us at sho

Should Humans Live On Mars?

Nov 13 2024 14 mins

As global warming continues and space technology improves, there is more and more talk about the growing possibility of a sci-fi future in which humans become a multiplanetary species. Specifically, that we could live on Mars. Biologist Kelly Weinersmith and cartoonist Zach Weinersmith have spent the last four years researching what this would look like if we did this anytime soon.

These Drones Could Help Keep Your Lights On

Nov 12 2024 13 mins

One in four U.S. households experiences a power outage each year. Scientists at Oak Ridge National Laboratory are working on technology they hope will help fix electric grids: drones. They're betting that 2-ft. large drones connected to "smart" electric grids are a cost-effective step to a more electrified future.Listen to every episode of Short Wave sponsor-free and support our wo

Eating Breakfast? You Can Thank Fermentation

Nov 11 2024 12 mins

In this episode, you're invited to the fermentation party! Join us as we learn about the funk-filled process behind making sauerkraut, sourdough and sour beer. Plus, no fermentation episode is complete without a lil history of our boy, yeast.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

Picking Up Cosmic Vibrations

Nov 08 2024 13 mins

A pivotal week in Corey Gray's life began with a powwow in Alberta and culminated with a piece of history: The first-ever detection of gravitational waves from the collision of two neutron stars. Corey was on the graveyard shift at LIGO, the Laser Interferometer Gravitational-Wave Observatory in Hanford, Washington, when the historic signal came. This episode, Corey talks about the

A Better Life For Trafficked Turtles

Nov 06 2024 11 mins

In North-Central New Jersey, there is a backyard teeming with around 200 turtles. Many of these shelled creatures have been rescued from the smuggling trade and are now being nursed back to health in order to hopefully be returned to the wild. Science reporter Ari Daniel joins host Regina G. Barber to tell the story behind one man's efforts to care for these turtles and to ensure t

Elections Are One Big Math Problem

Nov 05 2024 16 mins

It's Election Day in the United States. Across the nation, millions of ballots are being cast. But what would happen if the rules of our electoral system were changed? Certain states are about to find out. This year, several places have alternative voting systems up for consideration on their ballots, and those systems could set an example for voting reform throughout the rest of t