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Covering everything about science and technology -- from the outer reaches of space to the tiniest microbes in our bodies -- Science Friday is your source for entertaining and educational stories and activities. Each week, host Ira Flatow interviews scientists and inventors like Sylvia Earle, Elon Musk, Neil deGrasse Tyson, and more.
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965: ‘Common Side Effects’ And An All-Healing Mushroom | The Unique Smell Of Snow
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18:45In "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 Mushroo…
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‘Common Side Effects’ And An All-Healing Mushroom | The Unique Smell Of Snow
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18:27In "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 Mushroo…
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Investigating Fraud At The Heart Of Alzheimer’s Research
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18:30Every year, billions of dollars are funneled into Alzheimer’s research. And yet, so far, there’s no treatment 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 inve…
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964: Investigating Fraud At The Heart Of Alzheimer’s Research
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18:48Every year, billions of dollars are funneled into Alzheimer’s research. And yet, so far, there’s no treatment 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 inve…
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Managing Wildfires Using A Centuries-Old Indigenous Practice
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17:12In 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 resour…
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963: Managing Wildfires Using A Centuries-Old Indigenous Practice
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17:52In 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 resour…
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Can Vaping Help You Quit Cigarettes? What Are The Risks?
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18:32The 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-Ass…
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962: Can Vaping Help You Quit Cigarettes? What Are The Risks?
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18:50The 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-Ass…
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How Lucy Runs On A Virtual Treadmill | Comparing DeepSeek’s AI To Other Models
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26:09Scientists determined that Lucy, a human ancestor from 3.2 million years ago, couldn’t have beaten modern humans in a foot race. Also, the Chinese AI company DeepSeek startled industry observers with an efficient new system. But how does it compare with the leading tech? How Lucy, Our Famous Ancestor, Runs On A Virtual Treadmill Lucy is one of the …
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961: How Lucy Runs On A Virtual Treadmill | Comparing DeepSeek’s AI To Other Models
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26:27Scientists determined that Lucy, a human ancestor from 3.2 million years ago, couldn’t have beaten modern humans in a foot race. Also, the Chinese AI company DeepSeek startled industry observers with an efficient new system. But how does it compare with the leading tech? How Lucy, Our Famous Ancestor, Runs On A Virtual Treadmill Lucy is one of the …
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Scientists Create Glowing ‘RNA Lanterns’ With Bioluminescence
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18:21The inner workings of our bodies, particularly what’s happening inside our cells, can be kind of a black box—with countless tiny molecules constantly working and churning to keep us alive. A new technology that blends bioluminescence with cellular machinery may shine some light on the details of their comings and goings and interactions that can be…
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960: Scientists Create Glowing ‘RNA Lanterns’ With Bioluminescence
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18:39The inner workings of our bodies, particularly what’s happening inside our cells, can be kind of a black box—with countless tiny molecules constantly working and churning to keep us alive. A new technology that blends bioluminescence with cellular machinery may shine some light on the details of their comings and goings and interactions that can be…
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What’s Next For Quantum Computing In 2025?
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18:22It seems that every few months, there’s an exciting breakthrough in quantum computing, a kind of computing that takes advantage of quantum physics to perform calculations exponentially faster than our most advanced supercomputers. Last December, Google announced that its quantum computer solved a math problem in five minutes—a problem that would’ve…
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959: What’s Next For Quantum Computing In 2025?
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18:40It seems that every few months, there’s an exciting breakthrough in quantum computing, a kind of computing that takes advantage of quantum physics to perform calculations exponentially faster than our most advanced supercomputers. Last December, Google announced that its quantum computer solved a math problem in five minutes—a problem that would’ve…
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Building Blocks Of Life Found On Asteroid Bennu
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18:33About four and a half years ago, a spacecraft called OSIRIS-REx touched down on the surface of an asteroid called Bennu. It drilled down and scooped up samples of rock and dust and, after several years of travel, delivered those samples back to Earth. Since then, researchers around the world have been analyzing tiny bits of that asteroid dust, tryi…
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958: Building Blocks Of Life Found On Asteroid Bennu
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18:41About four and a half years ago, a spacecraft called OSIRIS-REx touched down on the surface of an asteroid called Bennu. It drilled down and scooped up samples of rock and dust and, after several years of travel, delivered those samples back to Earth. Since then, researchers around the world have been analyzing tiny bits of that asteroid dust, tryi…
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The Toxic Aftermath Of An Urban Fire
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18:32After nearly four weeks of burning, the fires in Los Angeles are almost fully contained, and cleanup is underway. But as the dust literally settles, people in LA are left with major questions, like: What is actually in the ash? What’s in the air? And how do I stay safe? Flora Lichtman talks with two experts in public health and toxic substance expo…
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957: The Toxic Aftermath Of An Urban Fire
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18:40After nearly four weeks of burning, the fires in Los Angeles are almost fully contained, and cleanup is underway. But as the dust literally settles, people in LA are left with major questions, like: What is actually in the ash? What’s in the air? And how do I stay safe? Flora Lichtman talks with two experts in public health and toxic substance expo…
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Strain Of Bird Flu Discovered In California | Understanding Bipolar Disorder Through The Genome
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24:21The outbreak of H5N9 avian influenza occurred at a California duck farm in November 2024. Also, new research pinpoints 298 parts of the genome associated with higher risk of bipolar disorder. This could lead to better treatments. Another Strain Of Bird Flu Discovered In California This week, the World Organization for Animal Health reported that it…
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956: Strain Of Bird Flu Discovered In California | Understanding Bipolar Disorder Through The Genome
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24:39The outbreak of H5N9 avian influenza occurred at a California duck farm in November 2024. Also, new research pinpoints 298 parts of the genome associated with higher risk of bipolar disorder. This could lead to better treatments. Another Strain Of Bird Flu Discovered In California This week, the World Organization for Animal Health reported that it…
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The Science Of Thriving In Winter—By Embracing It
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18:32Health psychologist Dr. Kari Leibowitz traveled to some of the coldest, darkest places on earth to learn how people there don’t just survive, but thrive in winter. She says that one of the key ingredients is adopting a positive wintertime mindset by focusing on and celebrating the good parts of winter. Flora Lichtman talks with Dr. Kari Leibowitz, …
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955: The Science Of Thriving In Winter—By Embracing It
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18:50Health psychologist Dr. Kari Leibowitz traveled to some of the coldest, darkest places on earth to learn how people there don’t just survive, but thrive in winter. She says that one of the key ingredients is adopting a positive wintertime mindset by focusing on and celebrating the good parts of winter. Flora Lichtman talks with Dr. Kari Leibowitz, …
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954: The Factors That Make Bird Sounds So Diverse Across The World
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17:04Birds are the master vocalists of the animal kingdom. They can make a remarkable variety of sounds. But why is a barred owl more of a baritone, while a cedar waxwing is a soprano? And what influences a bird’s vocal range, and the kinds of sounds it can make? Beak size? Body size? Geography? To answer some of these questions, researchers analyzed ov…
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The Factors That Make Bird Sounds So Diverse Across The World
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16:46Birds are the master vocalists of the animal kingdom. They can make a remarkable variety of sounds. But why is a barred owl more of a baritone, while a cedar waxwing is a soprano? And what influences a bird’s vocal range, and the kinds of sounds it can make? Beak size? Body size? Geography? To answer some of these questions, researchers analyzed ov…
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Can Paxlovid Relieve Long COVID Symptoms? For Some, Yes
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18:16It’s been five years since the first laboratory-confirmed case of COVID-19 in the U.S., a bleak milestone in the early days of a pandemic that touched the lives of everyone. For the lucky ones, the virus mainly meant more precautions: mask-wearing, the occasional COVID test. But for others, a COVID-19 infection turned into long COVID. This is a chr…
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