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.
Be sure to visit the podcast's website and support the creator: sciencefriday.com
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Episodes
1007: Trump’s Nominee For NASA Administrator Meets Congress 14.04.2025 15:39
On Wednesday, the Senate Committee on Commerce, Science and Transportation heard testimony from Jared Isaacman, President Trump’s nominee to lead NASA. During the confirmation hearing, Isaacman indicated a priority of sending humans to Mars—while maintaining the agency’s plans to return people to the lunar surface. In response to a question from Senator Ted Cruz, Isaacman said “I don’t think we ha...
1006: How Real Doctors Brought ‘The Pitt’ To Life 11.04.2025 21:17
We go inside the scientifically accurate ER world created for the TV show with one of its medical consultants. What is it actually like to work in an emergency room? To deal with overcrowded waiting rooms, a shortage of hospital beds, and a constant flow of life-and-death health conditions—while trying to maintain your sanity at the same time? That’s the focus of “The Pitt,” a new medical drama on...
1005: What Will Replace The International Space Station? 10.04.2025 18:09
NASA is planning to decommission the International Space Station by the end of 2030. The ISS, which began operations in 2000, is reaching the end of its lifespan and has become costly to maintain. NASA selected SpaceX to construct a vehicle that would “de-orbit” the football field-sized station, pushing it down into the atmosphere where it’ll burn up safely over the Pacific ocean. So what comes ne...
1004: What Artificial General Intelligence Could Mean For Our Future 09.04.2025 29:59
What happens when AI moves beyond convincing chatbots and custom image generators to something that matches—or outperforms—humans? Each week, tech companies trumpet yet another advance in artificial intelligence, from better chat services to image and video generators that spend less time in the uncanny valley. But the holy grail for AI companies is known as AGI, or artificial general intelligence...
1003: Climate Change Has Made Allergy Season Worse. How Do We Cope? 08.04.2025 16:38
In many parts of the United States, spring has sprung. There’s nothing quite like those first few beautiful days of spring. They’re delightful—until the sneezing starts. According to the CDC, a quarter of US adults deal with seasonal allergies . And if you think they’re getting worse, it’s not just in your head. Previous research has shown that climate change is making pollen seasons start earlier...
1002: Microdosing Peanut Butter Could Alleviate Some Peanut Allergies 07.04.2025 18:00
Over the past two decades, rates of peanut allergies in children have more than tripled. A variety of theories has been proposed to explain this, from a rise in industrialization keeping kids away from the germs that develop the immune system, to the previous pediatric guidelines that urged parents to restrict access to peanuts early in life. Whatever the cause, higher rates of peanut allergies me...
1001: The Department Of Health And Human Services Cuts 10,000 Jobs 04.04.2025 12:22
The cuts hit multiple agencies, affecting work on HIV, gun violence prevention, vaccines, minority health research, and more. On April 1, thousands of federal health workers woke up to find that they had been laid off . Scientists and civil servants at the Food and Drug Administration, Centers for Disease Control and Prevention, and National Institutes of Health were let go as part of Robert F. Ke...
1000: Forecasting Cuts Spark Worries About Hurricane Season | Soothing Babies With Music 03.04.2025 17:34
Emergency response experts say that funding and staff cuts at the National Weather Service could mean less reliable weather forecast. And, babies like music, but they generally have preferences. A music therapist reveals the best kinds of music to soothe a baby. Forecasting Cuts Leave Some Worried For Hurricane Season Many in Georgia are still recovering from the devastation of Hurricane Helene la...
999: Massive Iceberg Breaks Off Antarctica, Revealing Wonders Below 02.04.2025 18:13
In January, an iceberg the size of Chicago splintered off from the Antarctic Peninsula and drifted away in the Bellingshausen Sea. As luck would have it, a team of scientists was nearby on a research vessel, and they seized the chance to see what was lurking on the seafloor beneath that iceberg—a place that had long been covered, and nearly impossible to get to. They found a stunning array of life...
998: TikTok Is Shaping How We Think About ADHD 01.04.2025 18:27
Mental health information on social media can be both revelatory and misleading. How do clinicians and their patients make sense of it? TikTok and other social media sites are full of mental health content—often short, grabby, first-person videos detailing symptoms for conditions like ADHD and autism. But what does this mean for teens and young adults who spend hours a day scrolling? A new study p...
997: Engineering Lessons One Year After The Baltimore Bridge Collapse 31.03.2025 18:43
Engineers take an in-depth look at why the Francis Scott Key Bridge in Baltimore collapsed and how to prevent future tragedies. In the early morning of March 26, 2024, the container ship Dali struck the Francis Scott Key Bridge in Baltimore. Within 30 seconds, the bridge collapsed into the river below. Six construction workers lost their lives. On the one-year anniversary of the accident, we talk...
996: 23andMe Bankruptcy | A Coating That Can Slow A Golf Ball’s Roll 28.03.2025 25:12
The company has genetic data of 15 million people, which could be shared with a future buyer. Here’s how to delete it. Plus, an experimental coating could make golf balls roll more reliably on greens with different conditions. After 23andMe Bankruptcy, Customers Urged To Delete Their Data If you’re one of roughly 15 million people who used 23andMe to unlock information from their DNA, consumer adv...
995: AI Word Choice | When Dwarf Lemurs Hibernate, Their Chromosomes Do Something Odd 27.03.2025 25:11
Certain words are overrepresented in text written by AI language models. A study investigates why such patterns develop. Also, the ends of chromosomes, called telomeres, typically shorten as an organism ages. But when some fat-tail dwarf lemurs hibernate, they lengthen. ‘Delving’ Into The ‘Realm’ Of AI Word Choice Several years ago, some eagle-eyed readers of scientific papers noticed an unusual t...
994: Developing Faster, Simpler Tools To Treat Tuberculosis 26.03.2025 18:45
TB kills more than a million people each year. Dr. Mireille Kamariza has spent her career developing better detection and treatment tools. As the United States retreats from global health leadership—withdrawing from the World Health Organization, dismantling USAID—public health experts warn that there will be implications for the spread of certain diseases around the globe. One such disease is tub...
993: Author John Green On The Many Ways Tuberculosis Shaped Human Life 25.03.2025 19:18
In a new book, author John Green traces how the disease has impacted culture, geography, and even fashion over the centuries. Tuberculosis (TB) has had an incredibly large impact on human history. One staggering statistic? It’s been estimated that by the start of the 1800s, the disease had killed one in seven people who had ever lived. Because of this, tuberculosis affected human culture, geograph...
992: DESI Data Strengthens Evidence Of Change In Dark Energy 24.03.2025 18:38
Researchers built the largest 3D map of our universe yet. What they found supports the idea that dark energy could have evolved over time. One of the mysteries of the universe is why it expands at the rate that it does. Back in 1998, two teams of researchers observed that not only was the universe expanding, but that the rate of expansion was increasing . That observation was the basis for a conce...
991: NASA Astronauts Return To Earth After Extended Stay On The ISS | Bottle "Pop" Physics 21.03.2025 19:20
After nine months aboard the International Space Station, astronauts Butch Wilmore and Suni Williams have finally landed back on Earth. Also, a German physicist and homebrewer discovered brief, intense physical reactions that happen when you uncork a bubbly swing-top bottle. NASA Astronauts Return To Earth After Extended Stay On The ISS After 286 days aboard the International Space Station— 278 da...
990: The Evolving Science Of How Childhood Trauma Shapes Adults | Butterfly Memories 20.03.2025 19:06
The framework of Adverse Childhood Experiences started with an unexpected finding over 30 years ago. How is our approach changing? We know that experiences from our childhood, both good and bad, shape who we become as adults. But, understanding what kinds of early experiences have staying power into adulthood and the wide range of impacts they can have is an emerging science. In the 1980s, Dr. Vi...
989: How NIH Cuts Could Affect U.S. Biomedical Research 19.03.2025 18:48
Former NIH director Dr. Harold Varmus speaks out about what recent budget cuts and policy changes could mean for science. One of the areas targeted by President Trump’s administration for cuts has been the National Institutes of Health (NIH). Cost-cutting actions have included the layoffs of some 1,200 NIH employees, the termination of research grants , a pause in the “study sections” that evaluat...
988: Fungi Create Complex Supply Chains | A Rookie Robot Umpire Takes The Field 18.03.2025 19:16
Fungal networks in the ground ferry crucial nutrients to plants. But how do brainless organisms form complex supply chain networks? Also, in this year’s baseball spring training, the new Automated Ball-Strike System is helping settle challenges to home plate pitch calls. Scientists Observe Fungi Creating Complex Supply Chains As the leaves start to pop out, it’s natural to look up and admire the t...
987: 10% Of NOAA Staff Laid Off | Frozen Funds Leave Farmers In Limbo 17.03.2025 25:24
Layoffs at the agency, which releases weather forecasts and monitors extreme weather, could have serious implications. Also, funds for climate and sustainability-focused farming projects have been indefinitely frozen, even though the USDA has already signed contracts. 10% Of NOAA Staff Laid Off, With More Cuts Possible The National Oceanic and Atmospheric Administration, better known as NOAA, impa...
986: Pi, Anyone? A Celebration Of Math And What’s New 14.03.2025 19:01
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 18:58
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 17:12
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 Play We’re taking a polar plunge into the science of sea unicorns , also known as narwhals! Narwhals are mysterious arcti...
983: Where Have All The Butterflies Gone? 11.03.2025 17:51
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 d...
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