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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

00:19:02

Fighting Banana Blight | Do Birds Sing In Their Dreams?

Science Friday ·

2024/04/25

America’s most-consumed fruit is at risk from a fungal disease. Researchers in North Carolina are on a mission to save Cavendish bananas. Also, birds move their vocal organs while they sleep, mimicking how they sing. Scientists have translated those movements into synthetic birdsong.Fighting Banana Blight In A North Carolina GreenhouseBananas are the world’s most popular fruit. Americans eat nearly 27 pounds per person every year, according to the U.S. Department of Agriculture. A deadly fungus

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00:17:53

Why Is Solving The Plastic Problem So Hard?

Science Friday ·

2024/04/24

One of the biggest environmental issues in our modern world is plastic, which has become integral in the manufacturing of everything from electronics to furniture. Our reliance on plastic has led to a recycling crisis: A vast amount of plastic that winds up in our recycling bins isn’t actually recyclable, and ultimately winds up in landfills.Large companies have committed to reducing plastic packaging and cutting back on waste. But there’s still no good way to scale up the removal of plastic that

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00:17:52

What Worsening Floods Mean For Superfund Sites

Science Friday ·

2024/04/23

Superfund sites are some of the most polluted areas in the country, containing highly toxic waste such as asbestos, lead, and dioxin. Cleaning them up, which follows a systematic, science-based process as required by law, can take decades.There are more than 1,300 of these sites across the US, from Florida’s Panhandle to the banks of the Rio Grande in New Mexico. They’re found in nearly every state, often near residential areas. The EPA estimates that 78 million people live within three miles of a

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00:18:09

The Global Mental Health Toll Of Climate Change |...

Science Friday ·

2024/04/22

An explosion of research is painting a clearer picture of how climate change is affecting mental health across the globe. Also, a citizen science project aims to find species that have gone unnoticed by sampling the waters of hundreds of lakes worldwide for environmental DNA.Assessing The Global Mental Health Toll Of Climate ChangeAs the effects of climate change become more visible and widespread, people around the globe are dealing with the mental health impacts. But what are those impacts

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00:25:12

Clean Energy Transition Progress | Avian Flu In...

Science Friday ·

2024/04/19

Global temperature increases are slowing, electric vehicle sales are growing, and renewable energy is now cheaper than some fossil fuels. Also, in a recent outbreak of avian flu, the virus has jumped from birds to cows, and to one dairy worker. A disease ecologist provides context.Progress Toward A Clean Energy TransitionIn honor of Earth Day, we’re highlighting a few positive trends and some promising solutions to the climate crisis. Globally, a clean energy transition is underway. A recent column

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00:18:51

Carbon Cost Of Urban Gardens And Commercial Farms |...

Science Friday ·

2024/04/17

Some food has a larger carbon footprint when grown in urban settings than on commercial farms, while for other foods the reverse is true. Also, what’s the difference between wildflowers blooming in the desert each spring, and the rare phenomenon of a “superbloom”?The Carbon Cost Of Urban Gardens And Commercial FarmsIf you have a home garden, you may be expecting that the food you grow has less of an environmental impact than food grown on large commercial farms. But new research throws some cold

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00:15:50

The Brain’s Glial Cells Might Be As Important As Neurons

Science Friday ·

2024/04/15

Half of the cells in the brain are neurons, the other half are glial cells.When scientists first discovered glia over a century ago, they thought that they simply held the neurons together. Their name derives from a Greek word that means glue.In the past decade, researchers have come to understand that glial cells do so much more: They communicate with neurons and work closely with the immune system and might be critical in how we experience pain. They even play an important role in regulating the

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00:25:43

Limits On ‘Forever Chemicals’ In Drinking Water | An...

Science Friday ·

2024/04/12

A long-awaited rule from the EPA limits the amounts of six PFAS chemicals allowed in public drinking water supplies. Also, some spiders, beetles, and centipedes spend winter under snow in a layer called the subnivium. Plus, a drumroll for the total solar eclipse.EPA Sets Limits On ‘Forever Chemicals’ In Drinking WaterThis week, the EPA finalized the first-ever national limits for the level of PFAS chemicals that are acceptable in drinking water supplies. Those so-called “forever chemicals,” per- and

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00:17:41

Investigating Animal Deaths At The National Zoo

Science Friday ·

2024/04/11

When a critter meets its end at the Smithsonian’s National Zoo, it ends up on a necropsy table—where one of the zoo’s veterinary pathologists will take a very close look at it, in what is the animal version of an autopsy. They’ll poke and prod, searching for clues about the animal’s health. What they do—or don’t—find can be used to improve the care of living animals, both in the zoo and in the wild.On stage in Washington, D.C., Ira talks with Dr. Kali Holder, veterinary pathologist at the

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00:18:37

Eating More Oysters Helps Us—And The Chesapeake Bay

Science Friday ·

2024/04/10

The Chesapeake Bay produces around 500 million pounds of seafood every year, providing delicious blue crabs, striped bass, oysters, and more to folks up and down the coast. It’s one of the most productive bodies of water in the world, but the bay is constantly in flux due to stressors like overfishing, pollution, and climate change. But scientists have a plan to conserve the bay’s biodiversity, support the people who rely on it, and keep us all well fed—and it involves oyster farming.On stage in

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00:12:57

How Trees Keep D.C. And Baltimore Cool

Science Friday ·

2024/04/09

Springtime is a great reminder of just how beautiful trees can be. Cherry blossoms and magnolias put on a gorgeous show, but trees aren’t just there to look good. They play an important role in absorbing heat, sequestering carbon dioxide, and preventing soil erosion.Dr. Mike Alonzo, assistant professor of environmental science at American University, is using satellites to determine just how effective urban trees are at keeping neighborhoods cool. He’s been able to track changes to the tree canopy

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00:18:21

Predicting Heart Disease From Chest X-Rays With AI |...

Science Friday ·

2024/04/08

Dr. Eric Topol discusses the promise of “opportunistic” AI, using medical scans for unintended diagnostic purposes. Also, a study in mice found that the brain tags new memories through a “sharp wave ripple” mechanism that then repeats during sleep.How AI Could Predict Heart Disease From Chest X-RaysResearch on medical uses for artificial intelligence in medicine is exploding, with scientists exploring methods like using the retina to predict disease onset. That’s one example of a growing body of

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00:30:42

Recipient Of Pig Kidney Transplant Recovering |...

Science Friday ·

2024/04/05

A Massachusetts man who received a kidney from a genetically modified pig is recovering well. Also, on April 8, a total solar eclipse will plunge parts of North America into darkness. Scientists answer the questions you asked.Recipient Of Pig Kidney Transplant Leaves The HospitalLast month, Massachusetts General Hospital in Boston announced that a team of doctors had transplanted a kidney from a genetically engineered pig into a living human for the first time. This week, that patient, a 62-year-old

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00:18:14

Our Inevitable Cosmic Apocalypse

Science Friday ·

2024/04/04

When it comes to the eventual end of our universe, cosmologists have a few classic theories: the Big Crunch, where the universe reverses its expansion and contracts again, setting the stars themselves on fire in the process. Or the Big Rip, where the universe expands forever—but in a fundamentally unstable way that tears matter itself apart. Or it might be heat death, in which matter and energy become equally distributed in a cold, eventless soup.These theories have continued to evolve as we gain

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00:18:02

The Complicated Truths About Offshore Wind And Right...

Science Friday ·

2024/04/03

By the time researchers found the dead whale on a Martha’s Vineyard beach, her jet-black skin was pockmarked by hungry seagulls, her baleen had been dislodged from her mouth, and thin rope was wrapped tightly—as it had been for 17 months—around the most narrow part of her tail.Researchers quickly learned this was a 12-ton, 3-year-old female known as 5120, and that she was a North Atlantic right whale, a species with just about 360 members left.A few weeks later, NOAA Fisheries announced that the

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00:17:52

The Bumpy Road To Approving New Alzheimer’s Drugs

Science Friday ·

2024/04/02

In the past few years pharmaceutical companies have developed a string of new Alzheimer’s drugs called anti-amyloids, which target amyloid plaques in patients’ brains. These plaques are one of the key biomarkers of the disease.The first of these drugs, Aduhelm, was approved by the FDA in 2021 amid enormous controversy. The FDA approved the drug despite little evidence that it actually slowed cognitive decline in patients. Biogen, the maker of Aduhelm, pulled the plug on further research or sales of

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00:23:10

‘3 Body Problem’ And The Laws Of Physics | In Defense...

Science Friday ·

2024/04/01

Particle accelerators, nanofibers, and solar physics: The science advisor for the Netflix adaptation breaks down the physics in the show. Also, in her new book, Jessica J. Lee looks at how humans have moved plants around the globe–and how our migrations are intertwined with theirs.How ‘3 Body Problem’ Explores The Laws Of PhysicsLast week, Netflix released its adaptation of the Hugo Award-winning sci-fi book The 3 Body Problem by Cixin Liu. It follows the journey of several scientists, from the

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00:24:44

2023 Was Hottest Year On Record | The NASA Satellite...

Science Friday ·

2024/03/22

The World Meteorological Organization’s report confirms last year had the highest temperatures on record and predicts an even hotter 2024. Also, NASA’s new PACE satellite will study how these tiny creatures could affect Earth’s climate, and how aerosols influence air quality.UN Report Confirms 2023 Was Hottest Year On RecordA new report from the United Nations’ World Meteorological Organization shows that last year had the hottest average global temperatures since recording began 174 years ago

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00:17:39

A Strange-Looking Fish, Frozen In Time

Science Friday ·

2024/03/21

The term “living fossil” has been applied to any number of animals, from sharks to turtles to the coelacanth. It’s the idea that those animals look very much the same way their species may have looked millions of years ago, with limited evolutionary change over that time.After analyzing the genomes of many different species on that “living fossil” list, researchers report they may have found an animal that evolves more slowly than all the others—a group of fish called gar. The rate of molecular

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00:18:15

What We Know After 4 Years Of COVID-19

Science Friday ·

2024/03/20

Four years ago this week, the world as we know it changed. Schools shut down, offices shuttered, and we hunkered down at home with our Purell and canned foods, trying to stay safe from a novel, deadly coronavirus. Back then most of us couldn’t fathom just how long the pandemic would stretch on.And now four years later, some 1.2 million people have died in the U.S alone and nearly 7 million have been hospitalized as a result of a COVID-19 infection, according to the CDC.So, what have we learned about

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