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Science Friday

Science Friday and WNYC Studios

Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.

science life sciences

All Episodes

00:12:25

FDA approves a well-known sunscreen ingredient—finally

Science Friday ·

2026/06/22

The FDA recently approved a sunscreen ingredient called bemotrizinol, or BEMT, that’s been used in Europe and Asia for years. This is the first new sunscreen ingredient approved in the United States in over two decades. Meanwhile, skin cancer has become the most common cancer in the U.S. Flora discusses the chemistry of sunblock with a sunscreen chemist AJ Addae, and the regulatory process that led to this approval with health journalist Michael Scaturro. Guests: Michael Scaturro is a health

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00:18:03

A vast whale graveyard + Zombie sea cucumbers

Science Friday ·

2026/06/16

Researchers just published details of a massive undersea graveyard of whales deep in the Indian Ocean. Spanning about 1,200 kilometers (745 miles), it contains whale remains dating back more than 5 million years—and at least five active whale fall sites still teeming with life. Fossil whale expert Nick Pyenson joins Host Flora Lichtman to discuss these findings.Then, marine biologists Rachel Sipler and Sara Jobson join Ira Flatow to describe an unusual discovery in certain species of sea cucumbers:

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00:12:39

Should we bring mountain lions back to the Northeast?

Science Friday ·

2026/06/15

Big cats used to roam the entire United States. You might know them as mountain lions, pumas, cougars, or catamounts. Though they go by many names, they're actually all the same species. Their current population is mostly confined to the West, and part of Florida, though in recent years they’ve been spotted in other areas east of the Mississippi River. Most cougars were gone from the Northeast by the 1800s, with the last verified accounts in the 1930s. Mountain lion ecologist Mark Elbroch hopes to

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00:21:00

Why can I handle tequila but not rum?

Science Friday ·

2026/06/11

‘Tis the season for porch beers and happy hours, and we’re taking on listener questions about how alcohol affects us. Like, is a glass of wine at dinner really good for you? And why do sugary drinks give us hangovers?Joining Guest Host Jane Lindholm to answer these questions and more are brewer and chemist Tom Shellhammer and neuroscientist Jacqui Barker. Guests: Dr. Jacqui Barker is an associate professor in the Department of Pharmacology & Physiology at Drexel University College of Medicine. Dr

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00:06:04

Wait, is my washing machine playing Schubert?

Science Friday ·

2026/06/06

A few weeks ago, we talked to two sonic branding experts who compose music for household appliances. And we played for them a song “sung” by a washing machine that they didn’t really appreciate. But many of our listeners immediately identified the tune, a famous melody by 19th-century composer Franz Schubert.And, as our guest tells us, it’s not just any tune—it’s one of Schubert’s most beloved compositions, “The Trout,” which he returned to several times during his short but prolific career. L

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00:20:12

A virus hunter in Nigeria has thoughts on the Ebola...

Science Friday ·

2026/06/05

The current Ebola outbreak in the Democratic Republic of the Congo and neighboring Uganda is caused by the Bundibugyo virus. There’s no specific treatment or vaccine for this strain, unlike the more common Zaire strain that caused the 2014 outbreak. Molecular biologist Christian Happi has dedicated his career to improving genomic sequencing capabilities and virus monitoring across the continent of Africa. He joins Flora to discuss the challenges of the current outbreak and his vision for better

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00:47:13

A trailblazing geneticist reflects on her life and work

Science Friday ·

2026/05/25

It’s common knowledge that many diseases and conditions have some kind of genetic link. But that wasn't always the case. In 1990, long before the Human Genome Project tied so many health issues to differences in genetics, researchers identified a gene called BRCA1. It was the first gene linked to a hereditary form of any common cancer. People with certain variants of BRCA1 stood a higher risk of developing breast and ovarian cancer than those without those mutations. Geneticist Mary-Claire King

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00:15:17

Why does fashion repeat in 20-year cycles? Math has...

Science Friday ·

2026/05/19

Bucket hats. Low-rise jeans. Track suits. As you might’ve noticed, Y2K fashion is in right now. People say that fashion moves in 20-year cycles, and it turns out…it does! At least according to math.Host Flora Lichtman sits down with mathematician Emma Zajdela to figure out how she analyzed over 35,000 images of women's clothing dating all the way back to the 1860s to confirm this theory. Guest: Dr. Emma Zajdela is a Franco-American mathematician and science diplomacy activist. Other episodes you

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00:17:55

Earth's ancient hydrogen, and fossilized vomit

Science Friday ·

2026/05/18

A recent study simulated the extreme temperatures and pressure of the Earth’s interior by squeezing a sample between diamonds and heating it with a laser. In those simulations, researchers found that the Earth’s core may contain vast amounts of hydrogen, locked away in alloys with iron and silicon. Planetary scientist Anat Shahar joins Host Ira Flatow to discuss what this tells us about how the planet formed, and where water on Earth may have come from. Then, another kind of deep history:

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00:17:37

Who's composing music for my washing machine?

Science Friday ·

2026/05/13

Have you noticed that your newer appliances are serenading you? Many new washing machines, dishwashers, dryers, and vacuums have sonic signatures. But why? And who are the composers making music for the machines in your home?Flora talks to sonic branding experts Audrey Arbeeny, who has developed sounds for washing machines; and Joel Beckerman, who has composed for Roomba. Guests: Audrey Arbeeny is the owner and executive producer of Audiobrain. She’s composed for Whirlpool, KitchenAid, the London

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00:12:33

Listening for the cosmic ‘dark ages,’ from the lunar...

Science Friday ·

2026/04/23

What did the universe look like before any stars turned on? Astronomers call that time the “dark ages,” and while they think it may be possible to see remnants of it in very low frequency radio signals, hearing those signals from Earth can be challenging. One possibility is to put a radio telescope on the far side of the moon, where it would have periods of observation shielded from interference both from Earth and from the sun—and potentially be able to receive that dark ages signal. The

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00:17:58

How a particle accelerator illuminated 56 human organs

Science Friday ·

2026/04/17

A new imaging technique using a particle accelerator is giving researchers an unprecedented level of detail of our organs, producing scans 100 billion times brighter than a CT scanner. Those 3D models are now part of a public database called the Human Organ Atlas, available to researchers and the medically curious.Joining Host Ira Flatow to explain why they needed so much power and what kind of research advances will follow is imaging scientist Claire Walsh, director of the Human Organ Atlas

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00:14:15

When a dolphin whistles, what does it mean?

Science Friday ·

2026/04/15

What are dolphins actually saying with their iconic, high-pitched whistles? Dolphin communication researcher Laela Sayigh is trying to find out. She’s been compiling a database of whistles from a pod of dolphins in Sarasota, Florida, the longest-studied group of cetaceans in the world. She joins Flora to discuss fundamental questions about dolphin dialects, including how dolphins’ “signature” whistles can change depending on context, and the process of decoding new types of whistles. Guest: Dr

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00:19:06

Can GLP-1 drugs treat addiction?

Science Friday ·

2026/04/09

GLP-1 drugs like Ozempic, Wegovy, and Zepbound are prescribed for weight loss, diabetes, and blood-sugar management. But as more people use them, patients are reporting a decrease in cravings for drugs and alcohol. Researchers are now investigating whether GLP-1s might be effective for treating alcohol and drug addiction. How much do we know? What are the risks? And do these drugs tell us anything new about the biology of addiction? Host Flora Lichtman talks with neuroscientist Joseph Schacht, who

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00:13:54

Is the US backing out of the electric vehicle market?

Science Friday ·

2026/04/07

Last year, Chinese carmaker BYD sold millions of electric vehicles, overtaking Tesla to become the world’s biggest seller of EV cars. And BYD cars weren’t just for the Chinese market. They went to Europe, Asia, and Mexico, and may soon be available in Canada. But thanks to tariffs and regulations, BYDs are not available to U.S. buyers.China policy expert Kyle Chan joins Host Ira Flatow for a look at the growing EV market worldwide, and how the U.S. seems to be putting the brakes on battery-powered

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00:13:12

Can algae help pull microplastics out of our water...

Science Friday ·

2026/04/06

Microplastics and nanoplastics have been found just about everywhere: in our soil, our bodies, and our water. Recent research involving bioengineered algae has had success in capturing and removing microplastics from water. Environmental reporter Kate Grumke joins Producer Kathleen Davis to talk about the latest approaches to addressing microplastics, and researcher Susie Dai discusses her work using algae to pull them out of wastewater. Guests: Dr. Susie Dai is a professor of chemical and

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00:19:05

Should Pluto be a planet again?

Science Friday ·

2026/04/02

In 2006, a vote by the International Astronomical Union determined that Pluto was no longer a planet. The decision sparked a heated public debate, and many planetary scientists disagreed with kicking Pluto out of the planet club. Twenty years later, Pluto is back in the news: NASA administrator Jared Isaacman said he wants to make Pluto great again by declaring it… a planet again. And he’s urging President Trump to do so by executive order. Why does this Plutonian debate keep rearing its head? And

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00:18:41

Harnessing the superpowers of silk

Science Friday ·

2026/03/31

A listener recently called in asking how they might get a pair of functioning web shooters so they could operate as a local Spider-Man. While web shooters (sadly) don’t exist, we can say that the ways real spiders use silk put Peter Parker’s powers to shame. Spiders can use their sticky threads to sail through the air, capture prey larger than them, and even live underwater. And scientists trying to harness those powers. Host Flora Lichtman chats with spider-silk aficionado Cheryl Hayashi about the

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00:12:58

CERN finds a new particle + News alerts for the cosmos

Science Friday ·

2026/03/30

Researchers at the Large Hadron Collider in Switzerland have announced that they discovered a new subatomic particle. Roughly four times more massive than a standard proton, this short-lived piece of matter called Ξcc⁺(Xi-cc-plus) is like an extra-heavy proton, researchers say. Physicist Hassan Jawahery joins Host Flora Lichtman to unpack how the particle was found, and what its discovery means for theoretical physics. Then, astronomer Eric Bellm describes a new alert system that could flag

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00:18:37

Move over, vibe-coding. Vibe-proving is here for math

Science Friday ·

2026/03/27

When ChatGPT first came onto the scene, it wowed users with its writing abilities, but drew laughs for generating images of seven-fingered hands and struggling with basic math, where 2+2 didn’t always equal 4. But more recently, things have changed: Google and OpenAI’s models bagged gold medals at the International Mathematical Olympiad last year, and now some experts say AI could pose an existential threat to the field of mathematics itself.Mathematicians Emily Riehl and Daniel Litt join Host

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465 results

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