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PODCAST

Science Friday

Science Friday and WNYC Studios

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.

science life sciences

All Episodes

00:18:39

If An Asteroid Were Headed For Earth, Would We Be Ready?

Science Friday ·

2025/09/17

You might remember news reporting from earlier this year that a 180-foot asteroid had about a 3% chance of hitting Earth in 2032. And if it did, it would unleash energy equivalent to hundreds of nuclear bombs. After further observations, astronomers revised that probability way down, to close to zero. So what is our current capability to spot Earthbound asteroids? And how are governments preparing to communicate and respond to a potential impact on a populated area?Joining Host Ira Flatow with some

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00:48:13

A Trailblazing Geneticist Reflects On Her Life And Work

Science Friday ·

2025/09/16

It’s common knowledge that many diseases and conditions have some kind of genetic link. But that wasn't always the case. In 1990, long before the Human Genome Project tied so many health issues to differences in genetics, researchers identified a gene called BRCA1. It was the first gene linked to a hereditary form of any common cancer. People with certain variants of BRCA1 stood a higher risk of developing breast and ovarian cancer than those without those mutations. Geneticist Mary-Claire King and

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00:18:41

What The Label Of ‘Genius’ Tells Us About Our Society

Science Friday ·

2025/09/15

What makes someone a genius? Are they the smartest, most creative, most innovative people? Those with the highest IQ? Who we consider a genius may actually tell us much more about what we value as a society than any objective measure of brilliance. A compelling or quirky life story often shapes who is elevated to genius status.Host Ira Flatow unpacks the complicated and coveted title of genius with Helen Lewis, author of The Genius Myth: A Curious History of A Dangerous Idea.Read an excerpt of The

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00:19:12

A Delicious But Invasive Mushroom Could Affect Fungal...

Science Friday ·

2025/09/11

It all started harmlessly enough: People bought kits to grow mushrooms at home. But then, scientists in the upper Midwest noticed something strange. The golden oyster mushroom, which is not native to the United States, was thriving in local forests. Those homegrown mushrooms escaped our basements into the wild. Fungal ecologist Aishwarya Veerabahu joins Host Ira Flatow to discuss what impact these invasive mushrooms might have on the ecosystem.Plus, nightshade expert Sandra Knapp describes the

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00:13:17

How Common Household Products Pollute Our Indoor Air

Science Friday ·

2025/09/03

You have probably given some thought to outdoor air pollution, whether it’s wildfire smoke or smog from traffic. You may even check AQI measurements on your phone. But what about the air inside your home? Host Flora Lichtman talks to civil and environmental engineer Nusrat Jung, who studies indoor air pollution, about how we create toxic air without even knowing it, and what we can do to avoid it. Guest: Dr. Nusrat Jung is a civil and environmental engineer at Purdue University.Transcripts for each

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00:18:52

An Archaeologist And A Tattoo Artist Decipher Ancient...

Science Friday ·

2025/08/28

Researchers recently used near-infrared photography to get a detailed look at ancient artwork showing scenes of wild animals tangled in a fight. But these weren’t paintings on a cave wall. They were tattoos on the arms of a Siberian woman who lived 2,300 years ago. What can ancient ink tell us about our ancestors? Sticking and poking their way into this with Host Flora Lichtman are archaeologist Aaron Deter-Wolf and his research collaborator, tattoo artist Danny Riday.Guests: Aaron Deter-Wolf is an

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00:12:52

What Lies Beneath The Outer Layers Of A Star?

Science Friday ·

2025/08/27

You might think of a star as a mass of incandescent gas, a gigantic nuclear furnace where hydrogen is turned into helium at a temperature of millions of degrees. But researchers recently reported that they’d observed some of what lies beneath all that hydrogen and helium, at least inside one unusual supernova. The star, named supernova 2021yfj, had its outer layers stripped away, leaving behind a silicon- and sulfur-rich inner shell.Astrophysicist Steve Schulze joins Host Flora Lichtman to describe

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00:18:44

Can The Rise In Solar Power Balance Out Clean Energy...

Science Friday ·

2025/08/21

Since President Trump returned to office, his administration has been aggressive in rolling back clean energy initiatives. But that isn’t the whole story. Texas, California, and other states are bringing so much solar and battery power online that in March, fossil fuels generated less than half the electricity in the US for the first time ever. And internationally, solar has gotten so cheap to build and install that it’s fundamentally transforming many countries’ power grids. So where exactly does

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00:18:30

The Uncertain Science Behind What We Understand As...

Science Friday ·

2025/08/19

Throughout history, humans have been on a search for truth. From the ancient Greeks and their belief in a universal truth, to our Founding Fathers writing, “We hold these truths to be self-evident, that all men are created equal.” In a world of disinformation, conspiracy theories, and the rising influence of artificial intelligence, where does truth fit in? Mathematician Adam Kucharski, author of Proof: The Art and Science of Certainty, joins Host Ira Flatow to discuss the complicated truth.Read an

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00:17:33

How Agatha Christie Used Chemistry To Kill (In Books)

Science Friday ·

2025/08/18

Did you know that murder mystery writer Agatha Christie had a background in chemistry? In about half of her stories, the murder is committed using poison—something she was very, very familiar with. She had even trained in apothecaries to mix prescriptions by hand before she became a novelist. Chemist-turned-author Kathryn Harkup wrote about them in her new book, V is for Venom: Agatha Christie’s Chemicals of Death. Harkup talks with Host Flora Lichtman about the science of poisons, why they’re so

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00:18:47

Breast Milk Is Understudied. What Are Scientists...

Science Friday ·

2025/08/14

If you’ve found yourself scrolling through the breastfeeding world online, you know that people have a lot of strong opinions about breast milk. But what exactly do we know about the biology of it? Does breast milk really adapt to a baby’s needs? Does it confer immunity? How does making breast milk impact the breastfeeder? Joining Host Flora Lichtman to spin through the science of this sophisticated substance are experts Shelley McGuire and Deepshika Ramanan.Guests: Dr. Shelley McGuire is the

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00:28:58

Remembering Apollo 13 Astronaut James Lovell

Science Friday ·

2025/08/12

Last week, astronaut James Lovell died at the age of 97. In April of 1970, he was the commander of the Apollo 13 mission, which launched with three astronauts en route to the moon. While in space, however, the craft encountered a serious problem: an explosion in one of its fuel tanks that severely damaged the craft and disabled its electrical system, prompting the famous phrase, “Houston, we’ve had a problem.” In 1995, on the occasion of the 25th anniversary of the mission, Host Ira Flatow spoke

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00:18:34

‘Underground Atlas’ Shows How Vulnerable Fungal...

Science Friday ·

2025/08/11

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

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00:26:30

Lithium May Have A Role In Causing—And...

Science Friday ·

2025/08/08

The mechanisms behind Alzheimer’s disease have eluded scientists for decades. But a new breakthrough points to lithium as a possible explanation—not only does it occur naturally in the brain, but a deficiency causes dementia in mice. This research is one of thousands of projects that have lost funding due to President Trump’s cuts to the National Institutes of Health (NIH). Host Ira Flatow speaks with Alzheimer’s researcher Bruce Yankner about this new finding, and then to epidemiologist Katelyn

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00:18:11

Are Cold Plunges Actually Good For You?

Science Friday ·

2025/08/07

If social media and certain influential podcast hosts are to be believed, cold plunges can do everything from boosting your immune system to reducing inflammation to acting as an antidote for depression. But what does the science say? Joining Host Flora Lichtman to throw at least a few drops of cold water on this science of plunging is biologist François Haman, who studies human performance and cold exposure.And, with the help of the HBO show “Last Week Tonight,” a minor league baseball team in

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00:24:51

EPA Seeks To Revoke Scientific Basis For Greenhouse...

Science Friday ·

2025/08/01

This week the Trump administration indicated that it would seek to roll back a key EPA finding that allows the agency to regulate greenhouse gas emissions from things like cars and power plants. The 16-year-old rule, known as the “endangerment finding,” states that six greenhouse gases pose a threat to human health. Sophie Bushwick, news editor at New Scientist, joins Host Ira Flatow to discuss the proposed change, along with news about exoplanet life, Russian drones, rust-based batteries, hexagonal

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00:17:41

You Can Whistle While You Work—But How Does A Whistle...

Science Friday ·

2025/07/31

Whistling is a skill used to communicate over distances—a whistle can mean anything from “you’re cute” to “time to come home for dinner.” There’s a complex series of mechanisms in the mouth that need to come together to make a whistle. Hosts Ira Flatow and Flora Lichtman discuss all things whistling with professional musician and whistler Wanda Civic, aka MCP, and speech language pathologist Aaron Johnson.Guests: Wanda Civic aka MCP is a musician and whistler based in New York, New York.Aaron

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00:12:41

EPA To Shut Down Scientific Research Arm

Science Friday ·

2025/07/26

The EPA recently announced that it’s going to shut down its scientific research arm, called the Office of Research and Development. Since the agency was founded nearly 55 years ago, it’s had in-house scientists researching things like pollutants in our air and water, and the risks posed by toxic chemicals. That research informs the EPA’s guidelines and standards.Host Flora Lichtman talks with Jennifer Orme-Zavaleta, who spent 40 years working at the EPA, about the importance of the Office’s research

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00:18:01

Parker Solar Probe Captures Closest-Ever Images Of...

Science Friday ·

2025/07/25

In December, the Parker Solar Probe made history when it made the closest-ever approach to the sun by a spacecraft. As it whizzed by, a camera recorded incredibly detailed images, which show the sun’s surface, the flow of solar winds, and eruptions of magnetized balls of gas. Seeing this activity in such detail could help scientists understand solar weather.Host Flora Lichtman talks with Parker Solar Probe project scientist Nour Rawafi about what these images show and how the probe could

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00:18:30

Climate Change Is Upending The Home Insurance Market

Science Friday ·

2025/07/24

You can’t get a mortgage without home insurance. But in some parts of the country, it’s becoming harder and harder to find a plan, as insurance companies drop homeowners and pull out of entire states, as flooding, wildfires, and storms become more frequent and intense. Host Flora Lichtman talks to reporters Jessica Meszaros and Rachel Cohen, who have been covering this issue in Florida and Colorado. Flora then speaks with Benjamin Keys, who studies the impact of climate change on the real estate

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