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Science Friday

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.

N'hésitez pas à visiter le site du podcast et à soutenir son créateur : www.spreaker.com

Auteur

Science Friday

Catégorie

Society

Site du podcast

www.spreaker.com

Dernier épisode

10 oct. 2026

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Épisodes

986: Pi, Anyone? A Celebration Of Math And What’s New 14.03.2025

It’s March 14, or Pi Day , that day of the year where we celebrate the ratio that makes a circle a circle. The Greek letter that represents it is such a part of our culture that it merits our irrational attention. Joining Host Ira Flatow to help slice into our pi’s is Dr. Steven Strogatz, professor of math at Cornell University and co-host of Quanta Magazine ’s podcast “The Joy Of Why.” They talk...

985: How Plants Powered Prehistoric Giants Millions Of Years Ago 13.03.2025

When you imagine prehistoric life, it’s likely that the first thing that comes to mind are dinosaurs: long-necked Apatosauruses, flying Pterosaurs, big toothy Tyrannosaurs. But what don’t get as much attention are the prehistoric plants that lived alongside them. Plants, shrubs, and trees played a key part in the food chains of dinosaurs, and many dinosaurs evolved to match the plant life availabl...

984: How Narwhals Use Their Tusks To Hunt And Play | This Week's ‘Blood Moon’ Lunar Eclipse 12.03.2025

An international team of researchers used drones to study narwhals and learn more about their behavior. And, a total lunar eclipse will be visible across most of North and South America in the early morning hours of March 14.New Footage Shows How Narwhals Use Tusks To Hunt And PlayWe’re taking a polar plunge into the science of sea unicorns , also known as narwhals! Narwhals are mysterious arctic...

983: Where Have All The Butterflies Gone? 11.03.2025

A sweeping new study on one of the most beloved insects, maybe the only truly beloved insect—the butterfly—details its rapid population decline in the United States. The new research, published in the journal Science widens the butterfly net and looks at how more than 500 species have fared over the past 20 years .Researchers found that many populations are taking a nosedive. What’s causing the do...

982: What Does Dismantling USAID Mean For Global Health? 10.03.2025

On the very first day of Donald Trump’s second term, he signed an executive order targeting foreign aid programs , especially the U.S. Agency for International Development (USAID).Comprising less than 0.1% of the federal budget , USAID provides international humanitarian and development aid for poverty eradication, education, disease prevention, and medical programs. The Trump administration has c...

981: Protesters ‘Stand Up For Science’ At Rallies Nationwide | Blue Ghost Lunar Lander 07.03.2025

Scientists aren’t always encouraged to be politically active. But recent political interference by the Trump administration has many fired up. And, the Blue Ghost lunar lander, part of NASA’s CLPS initiative, completed the first fully successful commercial moon landing. Protesters ‘Stand Up For Science’ At Rallies Across The CountryScientists and defenders of science are gathering in cities across...

980: The Effort To Save Thousands Of Donor Kidneys | Ocean Liner Will Become An Artificial Reef 06.03.2025

Last year, 9,000 deceased donor kidneys were discarded due to storage and time limitations. A kidney “life support” machine could change that. Also, the SS United States will join Florida’s 4,300 artificial reefs—human-made places for fish and other marine life to live. How do these reefs work? The Effort To Save Thousands Of Donor Kidneys From Being Wasted Sylvia Miles was diagnosed with lupus in...

979: Where Does Plastic And Other Trash Go After We Throw It Away? 05.03.2025

A journalist traveled to five continents to learn about the afterlife of our trash, and why most “recyclable” plastic actually isn’t. Have you ever gotten to the end of, say, a jar of peanut butter and wondered if it should go in trash or recycling? If it’s worth rinsing out? And where will it actually end up? Journalist Alexander Clapp had those same questions, and went to great lengths to answer...

978: An Animal’s Size And Its Cancer Risk | Bastetodon, A 30 Million-Year-Old Apex Predator 04.03.2025

A study finds that Peto’s Paradox, which states that larger animals are no more likely to get cancer than smaller ones, may not hold up. Also, a nearly complete predator skull was found in the Egyptian desert. Its lineage indicates that it was a top carnivore of the age. What Does An Animal’s Size Have To Do With Its Cancer Risk? If you throw a huge party, there’s more of a chance of problems than...

977: How Trump’s DEI Ban Will Affect Medical Research 03.03.2025

Changes limiting programs, grants, and even the nature of studies are already underway at the NIH, NSF, FDA, CDC, and more. On President Trump’s first day in office, he signed an executive order to end what he calls “illegal and immoral discrimination programs,” referencing diversity, equity, and inclusion (DEI) in the federal government. The repercussions of this are already being felt across sci...

976: Conflicting Directives Sow Confusion For NIH Workers | The Mycobiome 28.02.2025

The acting head of the NIH reportedly pushed back against legal guidance to resume grant funding, leaving federal workers in the lurch. Also, though fungi make up a tiny part of the human microbiome, they play an important role in both the prevention and development of many diseases. Cuts And Conflicting Directives Sow Confusion For NIH WorkersJust over a month after President Trump’s inauguration...

975: The Best Tail For Balance | Bindi Irwin Wants Kids To Become ‘Wildlife Warriors’ 27.02.2025

The bone and joint structures in mammal tails help them keep their balance. Could those benefits be adapted for robots? And, in her first children’s book, conservationist Bindi Irwin takes little readers on a journey through Australia Zoo. In Search Of The Best Tail For BalanceIf you have met a cat, you’ve probably at some point been amazed by how acrobatic they are. They’re able to reorient thems...

974: A Vaccine For Pancreatic Cancer Continues To Show Promise 26.02.2025

Pancreatic cancer is notoriously difficult to treat, and about 90% of diagnosed patients die from the disease. A team at Memorial Sloan Kettering has been working to improve those outcomes by developing a new mRNA vaccine for pancreatic cancer .A few years ago, the team embarked on a small trial to test the vaccine’s safety. Sixteen patients with pancreatic cancer received it, and even though it w...

973: Why Are Flu And Other Viral Infection Rates So High This Year? 25.02.2025

It’s been an unusually tough winter virus season. Rates of flu-like infections are higher than they’ve been in nearly 30 years. And for the first winter since the start of the COVID-19 pandemic, flu deaths have surpassed COVID deaths. Add to that a higher-than-average year for norovirus, a nasty type of stomach bug. Then there’s the emerging threat of avian flu. While there is no evidence of human...

972: Making Sense Of Federal Cuts To Science—And What Comes Next 24.02.2025

Last week, some 3,500 people from across scientific fields gathered in Boston for the annual meeting of the American Association for the Advancement of Science (AAAS) . The organization’s CEO, Dr. Sudip Parikh, gave a rousing speech to attendees.“Destruction for the ill-conceived notion of cutting costs didn’t put an American on the moon, and it didn’t wipe smallpox from the face of the Earth,” Pa...

971: Tomb Of Egyptian King Unearthed | Why The Internet Was Captivated By A Hideous Fish 21.02.2025

Finding the original tomb of the royal is one of the most significant developments in Egyptian archeology in recent history. Also, a video of a gloriously creepy anglerfish inspired tears and poetry online. But why was this deep-sea dweller near the surface at all? Royal Tomb Of Egyptian King Thutmose II Unearthed A British-Egyptian team has made one of the most significant Egyptian archeological...

970: What Happens To Your Body When You’re Grieving 20.02.2025

We have lots of expressions to describe the pain of loss—heartache, a broken heart, a punch in the gut. These aren’t just figures of speech: While grief is an emotional experience, it’s also a physical one. Studies show that grief can change your physiology , most dramatically in the cardiovascular and immune systems. One staggering finding? A heart attack is 21 times more likely to happen in the...

969: Can Men and Women (Baboons) Really Just Be Friends? | The Best Bear Deterrent May Be Drones 19.02.2025

Can Men and Women (Baboons) Really Just Be Friends? In the romantic comedy “When Harry Met Sally,” the central premise, as Billy Crystal and Meg Ryan’s characters stay friends throughout the years, is, can men and women really just be friends? In the movie, the answer is no, not really. Spoiler alert: They do get together in the end. But what if we take that concept and bring it to the animal king...

968: Adventures In Science At The Icy ‘Ends Of The Earth’ 18.02.2025

The North and South Poles, also known as Earth’s iceboxes, help cool the planet, store fresh water, influence weather patterns, and more. They’re also the fastest warming places on Earth. A new book called Ends of The Earth: Journeys to the Polar Regions in Search of Life, the Cosmos, and Our Future illustrates the wonders of Antarctica and the Arctic—and the lengths scientists go to to study them...

967: FDA Approves A New, Non-Opioid Painkiller | Deep, Multi-Layer Oceans On Uranus And Neptune? 17.02.2025

It’s the first FDA approval for a pain medication in 25 years. How does the drug work, and who is it for? Also, non-mixing layers of water and hydrocarbons thousands of miles deep could explain the icy planets’ strange magnetic fields. The FDA Approves A New, Non-Opioid PainkillerIn January, the Food and Drug Administration approved a new pain medicine called Journavx (suzetrigine) , made by Verte...

966: Most Powerful Neutrino Ever Is Detected In the Mediterranean | Nerdy Valentines 14.02.2025

Most Powerful Neutrino Ever Is Detected In the MediterraneanNeutrinos are sometimes called “ghost particles,” because they are nearly weightless, rarely interact with any other matter, and have very little electric charge. Now, scientists have discovered a neutrino with a recording-breaking level of energy , which could bring us closer to understanding physics underpinning the creation of the univ...

965: ‘Common Side Effects’ And An All-Healing Mushroom | The Unique Smell Of Snow 13.02.2025

In "Common Side Effects," the starring scientist finds a mushroom that can heal any ailment. But powerful people will do anything to stop him from cultivating it. And, a combination of environmental factors and the way our bodies function play a role in how we perceive the smell of snow. In ‘Common Side Effects,’ A Clash Over An All-Healing MushroomIn the new Adult Swim show “Common Side Effects,”...

964: Investigating Fraud At The Heart Of Alzheimer’s Research 12.02.2025

Every year, billions of dollars are funneled into Alzheimer’s research. And yet, so far, there’s no treatmen t that’s been able to reverse the disease, or even meaningfully slow the cognitive decline of patients. Part of the reason is that the disease is complex, and brain disorders are notoriously difficult to understand. But in a new book, an investigative science reporter makes the case that th...

963: Managing Wildfires Using A Centuries-Old Indigenous Practice 11.02.2025

In late September, firefighters in flame-resistant Nomex were strung out along a fireline. It ran midslope through a pine and hardwood forest above the Klamath River and the small northern California town of Orleans. Several members of the Karuk tribe were laying down strands of fire with drip torches. Aja Conrad, who runs the tribal natural resource department’s environmental education field inst...

962: Can Vaping Help You Quit Cigarettes? What Are The Risks? 10.02.2025

The harms of smoking cigarettes are pretty clear. Smoking causes cancer as well as heart and lung diseases, and it’s the leading cause of preventable death in the United States. When it comes to vaping, or electronic cigarettes, the risks are a bit more tricky to parse, especially if you read media reports about them. The outbreak of Vaping Use-Associated Lung Injury, also known as EVALI , in 2019...

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