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28/03/2025

HACE 1 DÍA

The Secret World of Roald Dahl

While most people know Roald Dahl from his beloved books like Willy Wonka & the Chocolate Factory, Matilda and BFG, not as much is known about his life away from writing. A new documentary podcast looks at his history as a fighter pilot, intelligence officer and his work in science. Host and creator Aaron Tracy discusses "The Secret Life of Roald Dahl."

hace 1 día

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25 min
HACE 6 DÍAS · CONTENIDO EXTRA

The Middle + SciFri: How Can Trust In Science Be Restored?

We’re bringing you a special bonus episode from our friends at the live call-in show “The Middle with Jeremy Hobson.” Jeremy is joined by Science Friday Host Flora Lichtman and theoretical astrophysicist Priya Natarajan to talk about how trust in science can be restored. It took a hit with the COVID-19 pandemic, and the Trump Administration has now elevated science skeptics to positions of power and proposed giant cuts in scientific research. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

hace 6 días · Contenido extra

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20 min
19/09/2025

How Conservation Efforts Brought Rare Birds Back From The Brink

The overall state of birds can seem rather grim. Almost a third of North American bird species are in decline, and in the last five decades, more than 100 species have lost over half of their populations. This is primarily due to lack of food—fewer insects to eat—and habitat loss, like the development of grasslands. But there’s a bright spot: Some birds that were once rare are now abundant, like the merlin, sandhill crane, and pileated woodpecker. Host Ira Flatow talks with biologist Tom Langen, who explains these birds’ remarkable comebacks, and discusses his conservation work to bring threatened fish species back from the brink. Guest: Dr. Tom Langen is a professor of biology at Clarkson University. Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

19/09/2025

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18 min
21 ENE

Judit Polgár is the 'Queen of Chess'

The new documentary "Queen of Chess" puts the spotlight on Judit Polgár, a Hungarian child chess prodigy who sought to become a champion in a game dominated by men. Judit Polgár and director Rory Kennedy join to discuss the documentary, which premieres at the Sundance Film Festival and will be available to stream soon on Netflix.

21 ene

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29 min
24/09/2025

The High-Tech Lab Unlocking Secrets Of Coral Reproduction

In the heart of San Francisco’s Golden Gate Park, scientists are on the cutting edge of growing coral. Rising ocean temperatures have caused mass coral bleaching, and experts are racing against the clock to figure out how to help corals be more resilient to stress. Coral scientist Rebecca Albright joined Host Ira Flatow at our live show at the Fox Theater in Redwood City, California, to talk about the work her lab does to help corals reproduce—romantic lighting and full moons included. Guest: Dr. Rebecca Albright is a coral reef biologist, an associate curator, and a Patterson Scholar at the California Academy of Sciences. Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

24/09/2025

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18 min
11/08/2025

‘Underground Atlas’ Shows How Vulnerable Fungal Networks Are

Fungal networks in the soil are arguably the basis of much of life on Earth, but they’re understudied and underappreciated in the conservation world. Scientists at the Society for the Protection of Underground Networks (SPUN) are trying to fix that. They just unveiled a global map of mycorrhizal fungal networks, which highlights how widespread they are and how little protection they have. Host Flora Lichtman talks with two of the SPUN mapmakers, Adriana Corrales and Michael Van Nuland, about the importance of fungal networks and why they need more protection. Guests: Dr. Adriana Corrales is a forest ecologist and scientist with the Society for the Protection of Underground Networks. She’s based in Bogotá, Colombia. Dr. Michael Van Nuland is an ecologist and scientist with the Society for the Protection of Underground Networks. He’s based in Portland, Oregon. Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

11/08/2025

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19 min
12/12/2025

How Did Ancient Humans Use The Acoustics Of Spaces Like Caves?

The sound of a choir performing in a cathedral is iconic for a reason. It’s this beautiful human experience: being side-by-side with other people, feeling the sound vibrate through you, reverberating around the space. But how long has that been a part of our culture? And what role did sound play in the lives of people who lived during the Ice Age or the Stone Age? That’s the focus of a growing field of archaeology called archaeoacoustics, where researchers use the scientific tools of today to investigate the role of sound and music in the past. To learn more, Host Flora Lichtman is joined by Margarita Díaz-Andreu, principal investigator of the Art Soundscapes project, and Rupert Till, head of the department of humanities at the University of Huddersfield in the UK. Guests: Dr. Margarita Díaz-Andreu is an ICREA professor at the University of Barcelona in Spain and principal investigator of the Art Soundscapes project. Dr. Rupert Till is a professor of music and head of the department humanities at the University of Huddersfield in the UK. Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

12/12/2025

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19 min
14/11/2025

Memories Change. But Can We Change Them On Purpose?

Our memories make us who we are—just ask Barbra Streisand. But despite the lyrics in many popular songs, memories aren’t frozen in time. When we call them up, the details shift and change. And neuroscience research shows that we might be able to take that a step further—to manipulate our memories and even implant false ones. Neuroscientist Steve Ramirez joins Host Ira Flatow to explain how memory manipulation could revolutionize the way we treat brain disorders. They also discuss Ramirez’s book, How to Change a Memory: One Neuroscientist's Quest to Alter the Past, and how the sudden death of his friend and scientific collaborator made him rethink the role of memory. Guest: Dr. Steve Ramirez is an associate professor of psychology and brain sciences at Boston University and the author of How to Change a Memory. Transcripts for each episode are available within 1-3 days at sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

14/11/2025

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19 min
27/03/2025

AI Word Choice | When Dwarf Lemurs Hibernate, Their Chromosomes Do Something Odd

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 ChoiceSeveral years ago, some eagle-eyed readers of scientific papers noticed an unusual trend—an increase in the number of abstracts using certain words. The terms, including “delve,” “realm,” “evolving landscape,” and more, were suddenly appearing more often than they used to. Researchers analyzed the abstracts and compared them to abstracts written just a few years earlier, before the widespread availability of artificial intelligence large language model chatbots. They came to the conclusion that abstracts written by AI were more likely to use words from a list of around 20 favorites than regular human speech. The question was, why? If the models were trained on conventional writing, how did a preference for words such as “delve” creep in? Host Flora Lichtman talks with Dr. Tom Juzek and Dr. Zina Ward of Florida State University, who set out to try to understand the origins of some of AI’s favorite words. When Dwarf Lemurs Hibernate, Their Chromosomes Do Something OddThe fat-tail dwarf lemur is one of the only primates that hibernate for the winter. A new study published in the journal Biology Letters takes a closer look at what’s going on inside lemur cells when they are in this extended phase of suspended animation. It turns out that their telomeres, the ends of the chromosomes, actually grow longer when the dwarf lemurs hibernate. Typically telomeres shorten as we age, as cells continuously divide. So, what exactly does this finding mean for lemurs and other primates, like humans? Host Flora Lichtman talks with the co-authors of this study, Dr. Marina Blanco and Dr. Lydia Greene, research scientists at Duke University. Transcripts for each segment will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

27/03/2025

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24 min
14/05/2025

Identifying New Plants, And The Scientific Secrets Of Superfoods

What does it take to create and maintain one of the largest repositories of botanical information in the world? For starters, it can mean helicopter-ing into remote nooks of the Amazon, hiking through rough terrain, looking for strange fruits and flowers, and climbing trees to pluck specimens from the branches. Then there’s all the science required to identify, classify, and codify those species. Botanists Lúcia Lohmann and Charlotte Taylor join Host Flora Lichtman to discuss their work discovering new plant species and maintaining the storied Missouri Botanical Garden. And, what does it mean to be a superfood? What is the science of micronutrient-dense foods like millet, which get less hype than foods like açaí, goji berries, and quinoa? Flora talks with biological engineer Kiruba Krishnaswamy, who puts food under a microscope—literally—and studies the nutrients that help make our bodies function, in hopes of harnessing them to fight hunger worldwide. Guests: Dr. Lúcia Lohmann, professor at Washington University in St. Louis, and president and director of the Missouri Botanical Garden Dr. Charlotte Taylor, botanist and senior curator at the Missouri Botanical Garden Dr. Kiruba Krishnaswamy, assistant professor in the Colleges of Engineering and Agriculture at the University of Missouri Transcript will be available after the show airs on sciencefriday.com. Subscribe to this podcast. Plus, to stay updated on all things science, sign up for Science Friday's newsletters.

14/05/2025

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30 min

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