Science Friday
Science Friday and WNYC Studios
300 episodes
Covering the outer reaches of space to the tiniest microbes in our bodies, Science Friday is the source for entertaining and educational stories about science, technology, and other cool stuff.
Episodes page 2 of 6
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AI is everywhere in healthcare now. Doctors are conflicted
AI is popping up in many corners of society, but how are doctors using it in their practice? We asked our physician listeners to call in, and many of you did. What we heard mirrored broad trends: that more and more…
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How much worse was that storm because of climate change?
We’ve been hearing for years that climate change makes weather more extreme, and extreme weather more frequent. But what’s been more difficult to measure is exactly how climate change influences a particular weather…
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How GPS shaped our world
GPS is such an essential part of our lives that it’s easy to forget there was once a world without it. But, like many tech advancements of the 20th century, GPS was originally created by the U.S. military. So how did…
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The ancient Roman doctrine guiding modern environmental fights
A controversial pipeline project in Michigan has been stuck in legal limbo for years. But this month, the Michigan Supreme Court sided with environmentalists and leaned on an ancient legal framework: the public trust…
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What are the mysterious ‘little red dots’ in images of space?
When the James Webb Space Telescope started sending back images in 2022, something mysterious appeared: little red dots, speckled across the sky. They didn’t look like any known celestial objects, and astronomers began…
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Could we live in a dinosaur world?
In the new movie “The End Of Oak Street,” bits of a suburban Michigan neighborhood get sucked back through time to a prehistoric world of dinosaurs. It made us wonder, aside from the danger of getting snacked on by an…
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Do microplastics in the body affect pregnancy?
Microplastics have been documented throughout the human body, including the reproductive system. But the field of microplastics research is very new, and it’s not yet clear if, or how, these tiny particles affect our…
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Making a case for physicists to join climate research
When you think of physics, your mind might go to forces—like gravity, friction, and magnetism—or to astrophysics, like galaxies and exoplanets. But many of the same principles used to understand how the universe works…
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Creating 'world models' for robots + An AI math shakeup
When you ask an LLM like ChatGPT or Claude a question, the model goes through its massive amount of training data and guesses the answer by mathematically predicting the word most likely to appear next in a sentence.…
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What can moments of lucidity teach us about Alzheimer’s?
Watching a loved one with Alzheimer's or dementia slowly lose their cognitive abilities can be heartbreaking. While the person you once knew seems to be slipping away, sometimes people with Alzheimer's briefly seem…
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Colorado’s snow drought deals a major blow to recreation
Winter in Colorado looked very different this year. Many parts of the state experienced record-high temperatures and record-low snowpack, which had downstream effects on farming, sports, tourism, and more. For those…
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How do you find a ‘lost’ species?
The earth is facing a biodiversity crisis, and there’s a lot of attention on species that are threatened, or at risk of dying out completely. But, there’s another critter category that’s a little more mysterious:…
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What we get wrong about vaccine hesitancy
President Trump has signed an executive order calling for a change to the childhood vaccination schedule. Specifically, he wants to separate the MMR vaccine, which protects against measles, mumps, and rubella, into…
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Why this lab studies the speed of bug pee and other curiosities
In a lab in the Rocky Mountains, a group of scientists is hard at work trying to find answers across biology, physics, and engineering: They’re looking into things like the hydrodynamics of insect pee and the physics…
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Some primates undergo even more extreme childbirth than humans
Human childbirth is often difficult and incredibly painful—just ask anyone who’s been through it. And for a long time, childbirth seemed to be uniquely difficult for humans. But a new study suggests that we aren’t…
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Deb Haaland is a politician, and proud of it
Former Interior Secretary Deb Haaland, a member of the Laguna Pueblo tribe, was the first Native person to hold a cabinet position. Now she’s running to be governor of New Mexico. Haaland joins Host Flora Lichtman to…
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Sitting all day is terrible for us. Moving a little can help
Keeping your butt in a seat for hours a day increases the risk of heart attacks, diabetes, psychiatric conditions, and more. But in our tech-filled world, many of us lead sedentary lives, whether because of school,…
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A Nagasaki survivor and physician recounts his life's work
Dr. Masao Tomonaga was only 2 years old when the United States bombed his home city of Nagasaki. He survived, and grew up to become a physician for other survivors, known as hibakusha. He also studied hematology, and…
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What do people eat? Plant and animal DNA in sewage provide clues
Imagine you wanted to get a general idea of what people are eating in a given community. You could look at grocery store sales, or do surveys, but neither can capture a complete picture. Microbiome researcher Lawrence…
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3D images of galaxies will rock you (ft. Queen)
"Is this the real life? Is this just fantasy? Caught in a landslide, no escape from reality. Open your eyes, look up to the skies and see." There’s something about space that captures the imagination of scientists and…
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The evolution of an enzyme engineer who changed chemistry
In nature, enzymes are the catalysts that make much of biology work. They jumpstart chemical reactions that either wouldn’t happen, or would happen super slowly. They break down food, build other molecules, extract…
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Why is brain cancer so hard to treat?
Brain cancers are rare, but devastating. Patients face short life expectancies after diagnosis. Brain tumors are often impossible to remove completely. And radiation and chemotherapy don’t always stop them from…
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How can astronaut food be better?
Astronaut food is not known as a frontier of culinary imagination, unless you count rehydrated shrimp cocktail. As NASA prepares for longer trips to the moon and Mars, is space cuisine ready for an overhaul? Flora…
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The reality of living with extreme heat in India
At one point this year, the 50 hottest cities on the planet were all in one country: India. The average peak temperature in those cities was 112 F. India is one of the most climate vulnerable countries in the world,…
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Tracking shark populations, one shark at a time
About 130 days a year, a research vessel leaves Miami and sets out to catch, measure, sample, tag, and release sharks in Florida’s coastal waters. Over the course of a year, they’ll encounter about 600 animals in a…
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The Black women codebreakers of the Cold War
During the early Cold War era, the United States Army and later the NSA began recruiting and training codebreakers and intelligence officers to decipher intercepted Soviet messages. Among those recruits were a group…
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Asha de Vos’ journey from deck hand to marine science leader
The tropical waters of Sri Lanka, an island off the coast of India, are home to a population of blue whales unlike any other. These whales stay put, while every other known population migrates. That discovery was made…
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Why worry about my data If I have nothing to hide?
In the last couple months, Vermont, Alabama, and Oklahoma have passed data privacy laws. Massachusetts is negotiating its own version. Meanwhile, congressional lawmakers have introduced national privacy bills that…
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Peering through dust clouds to the center of the galaxy
In 2020, Andrea Ghez shared the Nobel Prize for her observations of a supermassive compact object at the center of the Milky Way galaxy—an object that has all the hallmarks of a supermassive black hole. Ghez had…
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Why a paper about relocating coastal communities hit a nerve
Back in May, a paper published in Nature Sustainability reignited a decades-old debate about coastal Louisiana: Should people leave? Climate researchers wrote that due to rising sea levels, coastal Louisiana has…
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How do you piece together what life was like in Pompeii?
Pompeii is known for its disastrous end with the eruption of Mount Vesuvius, but for archeologists, what came before is just as interesting. Researchers are using artifacts left behind in the remarkably well-preserved…
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Hold the lettuce: Updates on the 'explosive' cyclospora outbreak
An outbreak of the foodborne illness cyclosporiasis has sent thousands of people running to the bathroom this summer. Health officials have linked the outbreak to lettuce served at Taco Bell locations in five states,…
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A space telescope launch + Alvin submersible check-up
The Nancy Grace Roman Space Telescope is scheduled for an early launch at the end of August. It will rest about a million miles from Earth at Lagrange point 2, where forces of gravity and motion balance out, allowing…
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How does a tick bite cause a red meat allergy?
For two decades, a perplexing illness has been spreading: After a lone-star tick bite, people find themselves with a severe allergic reaction to red meat. The CDC estimates up to 450,000 people in the U.S. may be…
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What will our reaction be when we discover aliens?
One of the most irresistible questions in sci-fi stories about aliens is what our reaction will be when we learn of their existence. Horror? Bewilderment? Relief? Euphoria? It’s a scenario we love to imagine again and…
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Beautiful botflies, luscious leeches, and the wonder of parasites
Dino Martins has plucked maggots out of a dead elephant, pulled botflies out of camel snot, and willingly let a horsefly feast on him. Why? Because he’s obsessed with parasites. Dino is an entomologist who grew up in…
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China's booming biotech, from a brain implant to drug discovery
In March, China became the first country to approve an invasive brain-computer interface beyond clinical trials. The implant, called NEO, is now available to some patients with limb paralysis due to a spinal cord…
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Reconnecting with the night sky and reining in light pollution
What happens when the skies are no longer dark at night? Writer Craig Childs biked from the brightest night sky, to the darkest, to find out what we lose when the lights don’t go out. He joins Host Ira Flatow to talk…
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Amid shifting politics, can we build stable global health systems?
The ongoing Ebola outbreak in the Democratic Republic of Congo and Uganda has become the third-largest on record. And while the regional response is more robust than it was during the largest outbreak, in 2014-2016,…
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How does the gut-brain connection work?
Gut feelings, trusting your gut, butterflies: We have lots of expressions about how our brains and our bowels are intertwined. But how well do we understand the science of this on the biomolecular level? And which of…
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Investigating ‘flow state’ with the bassist from Phish
The band Phish has toured for over 40 years. One of the draws of their legendary live shows—which can go on for 8 hours—is finding moments of “flow,” when the band members lock into an improvised jam, finding new…
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How the US patent system keeps drug prices high
Americans pay roughly three times as much for prescription meds as people in other wealthy nations. But why? Tahir Amin argues it’s largely to do with how our patent systems work. He’s been on both sides of the issue:…
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What was science like in America 250 years ago?
If you hear “colonial America” and “science,” one name probably comes to mind: Benjamin Franklin. But he wasn’t the only one thinking big thoughts and asking big questions. Many other natural philosophers were also…
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An artificial cell eats, grows, and reproduces. Is it alive?
Researchers have engineered an artificial cell out of chemicals and biomolecules that, at a basic level, can eat, grow, duplicate its own genetic code, and reproduce itself. The cell, dubbed SpudCell, is aimed at…
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Growing lunar potatoes + Dealing with razor-sharp moon dust
Imagine this: You’re an astronaut, you’ve landed on the moon, and as you’re taking one small step for mankind, you kick up a bunch of lunar dirt. Now, tiny, jagged particles of dust are on your spacesuit, sticking to…
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Even Nobel Prize winners deal with imposter syndrome
Around 25 years ago, Ardem Patapoutian set out to investigate the fundamental biology behind our sense of touch. Through a long process of gene elimination, he identified a class of sensors in the cell membrane that…
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Squirrel poop drops Ice Age clues + The neuroscience of laughter
Hundreds of thousands of years ago, deep in the mountains of the Yukon, a ground squirrel pooped. That scat stayed frozen for millenia—until very recently, when researchers thawed it out and realized it was a literal…
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Promising new treatments for pancreatic cancer and ALS
Pancreatic cancer is among the most deadly forms of cancer, and it can be difficult to catch early. But there’s some good news: Clinical trials of a new drug called daraxonrasib found that it doubled the survival time…
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That chlorine smell at the pool? It’s pee
On a hot summer day, there’s nothing better than a dip in a cold pool. But you know who can ruin that for you? A scientist who studies pool chemistry. What chemical reactions are happening in that swimming pool when…
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Under proposed rule, science funding must pass political review
The federal Office of Management and Budget (OMB) has proposed rule changes that would bring a major shift in how scientific grants are awarded by U.S. government agencies. Under the current process, researchers submit…
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