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Science Friday

Science Friday, as heard on PRI, is a weekly discussion of the latest news in science, technology, health, and the environment hosted by Ira Flatow. Ira interviews scientists, authors, and policymakers, and listeners can call in and ask questions as well.

society & culture

All Episodes

49:25

Drugs Designed By AI, The Phosphorus Paradox,...

Science Friday ·

2023/03/17

At Long Last, More Regulations For Forever Chemicals This week, the EPA proposed the first national standards for drinking water that would set limits on the amount of PFAS (per- and polyfluoroalkyl substances) chemicals that would be allowed in water systems. There are thousands of different PFAS chemicals, which are often used industrially for properties such as heat, water and stain resistance—from fire-fighting foams to coatings on clothing and paper plates. They have come to be known as

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49:51

Tips And Tricks To Grow Your Garden In A Changing...

Science Friday ·

2023/03/10

Tips And Tricks To Grow Your Garden In A Changing Climate For many of us, spring is right around the corner—or already here—which means it’s time to start thinking about what is going into your garden this year. But largely thanks to climate change, our seasons are getting wonkier every year. Gardens are feeling the heat as climate change affects the timing of the seasons, temperature extremes, the amount of rainfall, the intensity of droughts, and more. So it’s more important than ever to plant a

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50:06

A New Controversial Black Hole Theory, Saving The...

Science Friday ·

2023/03/10

Despite Superconductor Breakthrough, Some Scientists Remain Skeptical This week, researchers unveiled a new superconductor which they say works at room temperature. Scientists have been working on identifying new superconductors for decades—materials that can transmit electricity without friction-like resistance. However, previously discovered superconductors only work at super cold temperatures, and under incredibly high pressures. The newly discovered superconductor, lutetium, could be much more

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49:29

Science At The Oscars, Finding Shackleton’s...

Science Friday ·

2023/03/03

Insulin Maker Eli Lilly Finally Caps The Drug’s Cost In 1923, drug manufacturer Eli Lilly became the first company to commercialize insulin. Since then, its cost has skyrocketed. But this week, the company announced that it is capping the cost of insulin at $35. This comes as a huge relief to many Americans, since insulin has become the face of pharmaceutical price gouging. Over the last 20 years, the price of insulin has grown by six times, making this essential, life-saving drug unaffordable to

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49:31

Social Media’s ‘Chaos Machine,’ Whale Vocal Fry,...

Science Friday ·

2023/03/03

Inside The ‘Chaos Machine’ Of Social Media Despite social media’s early promises to build a more just and democratic society, over the past several years, we’ve seen its propensity to easily spread hate speech, misinformation and disinformation. Online platforms have even played a role in organizing violent acts in the real world, like genocide against the Rohinga people in Myanmar, and the violent attempt to overturn the election at the United States capitol. But how did we get here? Has social

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49:46

AI And Hip Hop, Self-Planting Seeds, Abortion Pill...

Science Friday ·

2023/02/24

A Medication Abortion Drug Faces Potential Nationwide Restriction A federal court case underway in Texas this week could have big implications for medication based abortion care across the U.S. The case involves the FDA’s approval of the drug mifepristone, which is used as part of a two-drug combination in most medication abortions. The plaintiffs in the case are arguing that the FDA went against its own guidelines regarding drug safety when it approved the medication in 2000, though the

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49:40

“All That Breathes’ Film, Repatriating Native...

Science Friday ·

2023/02/24

‘All That Breathes:’ A Story Of Two Brothers Saving New Delhi’s Raptors The Oscars are right around the corner, and one of the nominees in the documentary category is called “All That Breathes.” It tells the story of two brothers—Nadeem and Saud—who dedicate their lives to rescuing black kites, a type of raptor that dominates the skies of New Delhi. Since they were children, the brothers have rescued more than 25,000 of these birds, who are quite literally falling out of the thick, polluted, hazy

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48:26

Spy Balloons, Cost of Cancer Care, Seaweed, Chocolate...

Science Friday ·

2023/02/17

Eyes In The Sky: The Science Behind Modern Balloons This month, the news cycle has been dominated by updates about suspicious objects being detected in the stratosphere. This bonanza started with a balloon from China, and escalated as four more objects—not all confirmed as balloons—have been shot down from the sky. Although this might sound like a new problem, there are probably thousands of balloons floating above us—some for spying, others for exploring near space, or studying weather

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48:43

Ohio Train Spill, Mushroom And Memory, Water...

Science Friday ·

2023/02/17

UFOs? Balloons? Spy Cams? Here’s What’s Going On This week, the saga over UFOs, balloons, and spyware continues. The drama all started with a Chinese surveillance balloon, and then—one by one—governments kept finding others in the U.S. and Canada. Earlier this week, President Biden announced, “We don’t know yet exactly what these three objects were. But nothing right now suggests they are related to China’s spy balloon program or that they were surveillance vehicles from any other country.” So what

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47:05

Rethinking Dementia Care. February 10, 2023, Part 2

Science Friday ·

2023/02/10

Rethinking The Future Of Dementia Care Scientists estimate that the number of people living with dementia will triple within the next 30 years, but healthcare systems, policies, and public health measures in the US aren’t prepared to accommodate this growing population. This week, we’re digging into dementia care, and taking listener calls live. Alzheimer’s is the leading cause of dementia. Ira talks with Dr. Suman Jayadev, a neurogeneticist at the University of Washington School of Medicine, about

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47:50

ChatGPT And The Future Of AI, Turkey Earthquakes....

Science Friday ·

2023/02/10

How Scientists Predict Where Earthquakes Will Strike Next The pair of earthquakes that hit Turkey and Syria this week left the region grappling with death and destruction. Despite the region being seismically active, this particular area hadn’t seen an earthquake of this size for decades. There are ways of knowing where the next big earthquakes will happen—but not when. Scientists use knowledge of fault lines and historical data to make their predictions, but saving areas from mass casualties often

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48:09

Climate Change Music, Industrial Animal Husbandry,...

Science Friday ·

2023/02/03

How Grief Rewires The Brain Being a human can be a wonderful thing. We’re social creatures, craving strong bonds with family and friends. Those relationships can be the most rewarding parts of life. But having strong relationships also means the possibility of experiencing loss. Grief is one of the hardest things people go through in life. Those who have lost a loved one know the feeling of overwhelming sadness and heartache that seems to well up from the very depths of the body. To understand why

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48:23

Science Of ‘The Last Of Us’ Fungi, New U.S. Nuclear...

Science Friday ·

2023/02/03

Wind And Solar Were Europe’s Top Energy Sources In 2022 The European Union reached a major renewable energy milestone in 2022. For the first time, wind and solar generated more energy in the European Union than any other power source. Ira talks with science writer Roxanne Khamsi about Europe’s energy future and other top science stories of the week, including deer harboring old COVID strains, an endangered marsupial who’s losing a lot of sleep in search of sex, and why mammals live longer in

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48:08

Accessible Birding, Human Water Consumption, Road...

Science Friday ·

2023/01/27

Meet The Blind Birder Reimagining Accessibility In The Outdoors For many blind and low vision people, accessing outdoor spaces like parks can be challenging. Trails are often unsafe or difficult to navigate, signs don’t usually have Braille, guides generally aren’t trained to help disabled visitors, and so on. But nature recordist Juan Pablo Culasso, based in Bogata, Colombia, is changing that. He’s designed a system of fully accessible trails in the cloud forests of southwest Colombia that are

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48:30

Art Crime Science, Long Covid Update, Earth's Slowing...

Science Friday ·

2023/01/27

What’s Behind The Strange Slowing Of The Earth’s Core? Even though some days feel more chaotic than others, the rotation of the surface of the planet proceeds at a pretty constant rate—about one full rotation every 24 hours. But the rotational speed of the inner core is less stable, and has been known to shift over time. Now, researchers are reporting in the journal Nature Geoscience that according to seismic data, the Earth’s inner core may have recently paused its rotation, and could even go on to

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48:19

Gas Stoves, Next Gen Vaccines, Printed Violins....

Science Friday ·

2023/01/20

Why Are Gas Stoves Under Fire? If you were online at all last week, you probably encountered conversations about gas stoves. The sudden stove discourse was sparked by a comment made by a commissioner on the Consumer Products Safety Commission (CPSC) to a Bloomberg reporter, in which the commissioner discussed plans to regulate gas stoves. Those comments morphed via repetition into inaccurate rumors of an impending ban on stoves fueled by ‘natural gas,’ or methane, currently used in around 38% of US

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48:18

Children’s Antibiotics Shortage, Bat Vocalizations,...

Science Friday ·

2023/01/20

Why Are Children’s Antibiotics So Hard To Find Right Now? Mary Warlo has been extremely worried lately. Her baby Calieb, who is six months old, has sickle cell disease. In early December he went for a few days without liquid penicillin, a medication that he—and thousands of other children in the U.S.—rely on to prevent potentially life threatening infections. Warlo couldn’t easily find a pharmacy in Indianapolis that had the medicine in stock. She and her husband frantically drove around for hours,

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47:53

Tech To Watch, Pests. January 13, 2023, Part 2

Science Friday ·

2023/01/13

Technology Trends to Watch in 2023 The start of a new year is often a time to contemplate the future and what might lie ahead on the horizon. This week, the magazine MIT Technology Review unveiled its annual list of 10 technologies to watch—innovations that it thinks are on the verge of rapid adoption or causing significant cultural changes, or already in the process of creating such a shift. This year’s list includes items from the amazing astronomy enabled by JWST, to the ‘inevitable’ electric

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47:32

Lab-Grown Meat Progress, Early Human Migration...

Science Friday ·

2023/01/13

Early Migration To North America Likely Wasn’t A One-Way Road The story of how early humans migrated to North America might not be as simple as we once thought. The prevailing theory was that ancient peoples traveled from Siberia to modern-day Alaska using the Bering strait as a land bridge. But new genomic research, published in Current Biology, reveals movement in the opposite direction, back to Asia, as well. Ira talks with Sophie Bushwick, technology editor at Scientific American, about the new

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48:58

Science Comedy, Shifting Rules For Abortion Pills....

Science Friday ·

2023/01/06

FDA Expands Pharmacy Options for Abortion Pills This week, the FDA finalized rules that would allow more retail pharmacies to stock and fill prescriptions for the abortion drug mifepristone. Previously, the medication had been available only via certain specialty pharmacies or via mail order. Now, major retail pharmacies such as CVS and Walgreens can apply for permission to fill prescriptions for the medications, which now account for about half of all abortions performed in the United States. The

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798 results

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