NPR

Short Wave

Science EN ↓ 1518 episodes

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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NPR

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Science

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Latest episode

Jul 10, 2026

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Episodes

A new step toward ending 'the wrath of malaria' 02.11.2021

Scientists have been trying to figure out how to eradicate malaria for decades. Globally, a child under the age of five dies from the disease every two minutes, and even for kids who do survive there can be long term complications. A big breakthrough finally came in October when the World Health Organization endorsed MoSQUIRIX, the first malaria vaccine. It has relatively low efficacy, just about...

The history and future of mRNA vaccine technology (encore) 01.11.2021

(Encore) The Pfizer-BioNTech and Moderna COVID-19 vaccines are the first authorized vaccines in history to use mRNA technology. In light of the authorization for some children and teens now, we are encoring the episode in which Maddie Sofia chats with Dr. Margaret Liu, a physician and board chair of the International Society for Vaccines, about the history and science behind these groundbreaking v...

The countries left behind in climate negotiations 29.10.2021

NPR climate correspondents Lauren Sommer and Dan Charles join the show before the UN Climate Change Conference in Glasgow, Scotland (COP26) starts on Sunday. Diplomats, business executives, climate experts, and activists from all around the world will gather to discuss the question: Is the world on track to avoid the worst effects of climate change? Lauren and Dan introduce us to two climate activ...

How metaphors and stories are integral to science and healing 28.10.2021

New York's Bellevue Hospital is the oldest public hospital in the country, serving patients from all walks of life. It's also the home of a literary magazine, the Bellevue Literary Review , which turns 20 this year. Today on the show, NPR's arts reporter Neda Ulaby tells Emily how one doctor at Bellevue Hospital decided a literary magazine is essential to both science and healing. You can follow E...

Spiders can have arachnophobia! 27.10.2021

If you're not so fond of spiders, you may find kindred spirits in other spiders! Researcher Daniela Roessler worked with jumping spiders and found that they know to get away from the presence of other possible predator spiders, even if they've never encountered them before. She talks with host Maria Godoy about her research and what Halloween decorations do to the poor spiders, if arachnids can ha...

The opioid epidemic 26.10.2021

Over the last 25 years, the opioid epidemic has been devastating to families and communities all over the U.S., and has caused half a million deaths. But it started as a way to treat severe pain. Today, host Emily Kwong talks to Patrick Radden Keefe, author of the book Empire of Pain: The Secret History of the Sackler Dynasty , about what went wrong in science to make the opioid epidemic what it i...

The zombies living in our midst 25.10.2021

The idea of human zombies probably seems pretty far-fetched. But there are real zombies out there in the animal kingdom. To kick off Halloween week, science writer Ed Yong of The Atlantic creeps us out with a couple of examples. Hint: they involve fungus. (Encore episode) Read more of Ed's reporting on: - The zombie fungus controlling ants' brains: https://bit.ly/2Zk79nA - How to Tame a Zombie Fun...

Code Switch: Archaeological skeletons in the closet 22.10.2021

Today, we present a special episode from our colleagues at Code Switch, NPR's podcast about race and identity. In a small suburb of Washington, D.C., a nondescript beige building houses thousands of Native human remains. The remains are currently in the possession of the Smithsonian Institution, but for the past decade, the Seminole Tribe of Florida has been fighting to get some of them back to Fl...

An ode to the Pacific lamprey 21.10.2021

Pacific lamprey may have lived on Earth for about 450 million years. When humans came along, a deep relationship formed between Pacific lamprey and Native American tribes across the western United States. But in the last few decades, tribal elders noticed that pacific lamprey populations have plummeted, due in part to habitat loss and dams built along the Columbia River. So today, an introduction...

A biodiesel boom (and conundrum) 20.10.2021

There's a biodiesel boom happening! It's fueled by incentives and policies intended to cut greenhouse emissions, and is motivating some oil companies like World Energy in Paramount, California to convert their refineries to process soybean oil instead of crude. NPR's food and agriculture correspondent Dan Charles explains why farmers are happy, bakers are frustrated and people who want to preserve...

COVID-19 boosters are here 19.10.2021

The United States is on the verge of dramatically expanding the availability of COVID-19 vaccine boosters to shore up people's immune systems. As NPR health correspondent Rob Stein reports, the Food and Drug Administration is poised to authorize the boosters of the Moderna and Johnson & Johnson vaccines. Still, many experts argue boosters aren't needed because the vaccines are working well and it...

How do we make sense of the sounds around us? 18.10.2021

Our colleagues at All Things Considered chatted with neuroscientist Nina Kraus about her new book Of Sound Mind . She shares how our brains process and create meaning from the sounds around us. See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. NPR Privacy Policy

The Mighty Mangrove 15.10.2021

Along certain coastlines near the equator, you can find a tree with superpowers. Mangroves provide a safe haven for a whole ecosystem of animals. They also fight climate change by storing tons of carbon, thanks to a spectacular above-ground network of tangled roots. Ecologist Alex Moore talks to guest host Maria Godoy about how mighty this tree is, and why it is under threat. See pcm.adswizz.com f...

The mystery of the mummified Twinkie 14.10.2021

A box of Twinkies, left alone for eight years, held some surprises for Colin Purrington. Upon having a sugar craving, combined with being "just so bored, with the pandemic," Purrington opened the box a few weeks ago. Like many people, Purrington believed Twinkies are basically immortal, although the official shelf life is 45 days . NPR's Nell Greenfieldboyce talked to Purrington and explains how t...

White scholars can complicate research into health disparities 13.10.2021

The COVID-19 has exposed longstanding and massive health disparities in the U.S., resulting in people of color dying at disproportionately higher rates than other races in this country. Today on the show, guest host Maria Godoy talks with Usha Lee McFarling about her reporting — how new funding and interest has led to increased attention to the topic of disparities in health care and health outcom...

Cockroaches are cool! 12.10.2021

Cockroaches - do they get a bad rap? Producer Thomas Lu teams up with self-proclaimed lesbian cockroach defender Perry Beasley-Hall to convince producer/guest host Rebecca Ramirez that indeed they are under-rated. These critters could number up to 10,000 species, but only about 30 are pesky to humans and some are beautiful! And complicated! And maybe even clean. What insect do you think gets a bad...

Bonobos and the Evolution of Nice 08.10.2021

How did humans evolve some key cooperative behaviors like sharing? NPR Science Correspondent Jon Hamilton reports back from a bonobo sanctuary in the Democratic Republic of the Congo where scientists are trying to answer that very question. (Encore episode) If you have something nice to say - email the show at shortwave@npr.org ! See pcm.adswizz.com for information about our collection and use of...

Why Music Sticks in Our Brains 07.10.2021

Why do some songs can stick with us for a long time, even when other memories start to fade? Science reporter (and former Short Wave intern) Rasha Aridi explains the neuroscience behind that surprising moment of, "Wow, how do I still remember that song?!" Email the show at shortwave@npr.org . See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to m...

Here's a better way to talk about hair 06.10.2021

Humans have scalp hair. But why is human scalp hair so varied? Biological anthropologist Tina Lasisi wanted to find out. And while completing her PhD at Penn State University, she developed a better system for describing hair — rooted in actual science. To hear more from Tina, check out these webinars: Why Care About Hair ( https://bit.ly/3liJZ96 ) and How Hair Reveals the Futility of Race Categor...

How foraging reconnected Alexis Nikole Nelson with food and her culture 05.10.2021

Our colleagues at the TED Radio Hour introduce us to forager and TikTok influencer Alexis Nikole Nelson. She shares how the great outdoors has offered her both an endless array of food options and an outlet to reconnect with her food and her culture. Listen to the full TED Radio Hour episode, The Food Connection : https://n.pr/3DeRmEU Follow TED Radio Hour and host Manoush Zomorodi on Twitter: - T...

The Toll Of Burnout On Medical Workers — And Their Patients 04.10.2021

Burnout has long been a problem among health care workers. The pandemic has only made it worse. Some were hopeful COVID vaccines would provide some relief, but that hasn't been the case. Now, health care workers are leaving the industry — and they're taking their expertise with them. Plenty of surveys say that burnout hurts patient care. NPR correspondent Yuki Noguchi spoke to medical workers who...

SURPRISE! It's A...Babbling Baby Bat? 01.10.2021

A paper published recently in the journal Science finds similarities between the babbling of human infants and the babbling of the greater sac-winged bat ( Saccopteryx bilineata ) — a small species of bat that lives in Central and South America. As science correspondent Geoff Brumfiel reports, the researchers believe both bats and humans evolved babbling as a precursor to more complex vocal behavi...

Goodbye, Climate Jargon. Hello, Simplicity! 30.09.2021

People are likely to be confused by common climate change terms like "mitigation" and "carbon neutral," according to a recent study. So how can everyone do a better job talking about climate change so that no one's left confused? NPR climate correspondent Rebecca Hersher tells us the key turns out to be pretty simple. Read more of Rebecca's reporting on climate jargon: https://n.pr/2XdfYOC Read th...

How To Help Someone At Risk Of Suicide 29.09.2021

Suicide was the 11th leading cause of death in the U.S. in 2020, according to the most current data. But research shows that suicide is preventable. Host Emily Kwong talks with NPR health correspondent Rhitu Chatterjee about the signs that someone you know may be thinking about dying, the ways you can support them, and how to possibly prevent suicide. (Encore episode.) See pcm.adswizz.com for info...

Scientists Are Racing To Save Sequoias 28.09.2021

Based on early estimates, as many as 10,600 large sequoias were killed in last year's Castle Fire — up to 14% of the entire population. The world's largest trees are one of the most fire-adapted to wildfires on the planet. But climate change is making these fires more extreme than sequoias can handle. It's also worsening drought that is killing other conifer trees that then become a tinder box sur...

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