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PODCAST

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.

society & culture

All Episodes

50:08

Cephalopod Wonders, Jumping Worms, Early Plastic...

Science Friday ·

2022/06/10

Are Invasive Jumping Worms Taking Over? Most gardeners are thrilled when they find earthworms tunneling through their gardens. Normally, they’re a sign of rich soil, happy plants, and a bustling ecosystem. But one unwanted visitor is squirming its way into gardens and forests all across the country: the invasive jumping worm, known for its thrashing, restless behavior. Gardeners and scientists have become more and more concerned with these worms, which can cause damage in yards and forests. They’re

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48:40

Medical And Recreational Cannabis, Ocean Viruses, The...

Science Friday ·

2022/06/03

20,000 Viruses Under The Sea: Mapping The Ocean’s Viral Ecosystem The ocean is the largest region of the planet and remains a source of newly discovered species. But what do you do with a treasure trove of new viruses? A research team wrote in Science last month about finding thousands of new RNA viruses, and five new taxonomic phyla, in water samples from around the globe. The new species more than doubles the known number of RNA viruses on the planet, painting a clearer picture of the vast

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49:41

History Of Sex, Plastic Battery, Mosquito Smell,...

Science Friday ·

2022/06/03

Scientists Found The Biggest Known Plant On Earth This week, an underwater seagrass meadow claimed the title for the world’s largest plant. This organism sprawls across 77 square miles of shallow ocean and has survived 4,500 years. To accomplish this, it kept cloning itself and created identical offshoots to spread along the sand. The ocean has changed wildly over the last 4,500 years, yet this plant has survived. Researchers believe that cloning itself may have helped the plant adapt to a changing

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49:13

SIDS Research, Period Tracking Apps, Women And Girls...

Science Friday ·

2022/05/27

‘Breakthrough’ In Sudden Infant Death Syndrome Research Is Misleading Last week, headlines made the rounds in online publications and social media that there was a massive breakthrough in research about SIDS: Sudden Infant Death Syndrome. A study out of Australia concluded that babies who died of SIDS had significantly lower levels of an enzyme called BChE. This study was met with cheers by people desperate to understand why SIDS happens. But many experts say we need to pump the brakes on the

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49:49

Gun Violence, Baby Formula, Monkeypox, Milk Banking,...

Science Friday ·

2022/05/27

Gun Violence Is A Public Health Issue As illustrated by the school shooting in Uvalde, Texas this week, gun violence is a pervasive issue in the United States. The entire Science Friday team extends our condolences to everyone affected by this tragedy. One reason gun violence is so difficult to understand is that for a long time, there was a federal freeze on funding gun-violence research. That was due to the “Dickey Amendment” which was instated in 1996. This rule barred the Centers for Disease

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50:24

Seabird Poop, ‘Prehistoric Planet’ TV Show, Dry Great...

Science Friday ·

2022/05/20

We Need To Talk About Bird Poop Seabird poop—sometimes called guano—was the “white gold” of fertilizers for humans for millennia. Rich in nitrogen and phosphorus from birds’ fish-based diets, the substance shaped trade routes and powered economies until chemical fertilizers replaced it. But while people may no longer find bird poop profitable, these same poop deposits—often found on islands or coasts where the birds nest and rear their young—may also be nurturing ecosystems that would be left high

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50:23

Miscarriage Care, End of Astronauts, COVID Deaths...

Science Friday ·

2022/05/20

A Grim Milestone, As Cases Continue This week, COVID-19 case trackers from the Centers for Disease Control and Prevention hit a grim milestone, logging over one million deaths in the country from the pandemic. The true total is likely to be much higher, as many cases go unreported, or are logged as deaths due to other factors in death certificates. And the pandemic continues, with locations such as New York City reaching “high” transmission levels, and recommending that people mask again

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49:54

Abortion Medication, Rat Island, Access To Parks,...

Science Friday ·

2022/05/13

Abortion Pills Are Used For Most U.S. Abortions. What Are They? The draft Supreme Court decision overturning Roe v. Wade means abortion access is once again in jeopardy. Nearly half of U.S. states will immediately ban abortion upon a Roe v. Wade overturn. Medication abortion, or abortion by pill, is currently the most common method of abortion in the United States. In 2020, 54% of abortions in the United States were medication abortions, according to research from the Guttmacher Institute. If the

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49:59

Second Black Hole Image, Last Days Of The Dinosaurs,...

Science Friday ·

2022/05/13

As COVID Cases Rises, Effectiveness Of Vaccines Lessens In Kids As parts of the country continue to see waves of infection from the omicron variant of COVID-19, parents of children over age five have taken heart at the availability of vaccines—while parents of kids five and under have continued to wait for an approved dose. But even as the case numbers continue to climb, the vaccines are less effective against the more-virulent omicron variants—and, for some reason, dramatically less effective in

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49:56

Revisiting The Titanic, STEM Drag Performers As...

Science Friday ·

2022/05/06

The Seafaring Life Of ‘Modern-Day Captain Nemo,’ Robert Ballard In 1985, oceanographer Robert Ballard was sent on a secret deep-sea search operative with a very specific mission: to seek two sunken nuclear submarines. Ballard, who by then had explored the Mid-Atlantic Ridge and helped design deep-sea research submersibles, was assigned by the U.S. Navy to investigate and take images of the U.S.S. Thresher and U.S.S. Scorpion. But locating these two wreckages wouldn’t bring him to fame—instead, it

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49:29

How The Brain Deals With Grief, Listening To Noisy...

Science Friday ·

2022/05/06

How Grief Rewires The Brain Being a human can be a wonderful thing. We’re social creatures, craving strong bonds with family and friends. Those relationships can be the most rewarding parts of life. But having strong relationships also means the possibility of experiencing loss. Grief is one of the hardest things people go through in life. Those who have lost a loved one know the feeling of overwhelming sadness and heartache that seems to well up from the very depths of the body. To understand why

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49:21

Covid Court Cases, Sharing Viruses for Research,...

Science Friday ·

2022/04/29

What’s Up With The Spike In Hepatitis Among Young Kids? This spring, there’s been a strange spike in hepatitis cases among young children. Hepatitis can leave kids with stomach pain, jaundice, and a generally icky feeling. 169 cases have been recorded globally, and one death. A majority of these cases have been found in the United Kingdom, with the others in Spain, Israel, and the U.S. The sudden rise in cases is unusual, and physicians are trying to unlock the mystery of where this is coming

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50:04

Dog Breeds And Dog Behavior, Polar Science Update,...

Science Friday ·

2022/04/29

Your Dog’s Breed Doesn’t Always Determine How They’ll Behave The dog world abounds with stereotypes about the personalities of different breeds. The American Kennel Club describes chihuahuas as “sassy,” and malamutes as “loyal,” while breed-specific legislation in many cities target breeds like pit bulls as stereotypically aggressive. But do these stereotypes say anything true about a dog’s personality and behaviors? New research in the journal Science looked at the genomes of thousands of dogs,

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49:34

Plastics And Ocean Life, Building An Animal Crossing,...

Science Friday ·

2022/04/22

Building The World’s Largest Animal Crossing Outside of LA There’s a spot on Highway 101 in Agoura Hills, it’s pretty inconspicuous. There’s brown and green rolling hills on either side of the highway. Homes are sprinkled here and there. And then a small metal gate that leads off on a hiking trail. You probably wouldn’t know it, but soon this spot will be the location of the world’s largest animal crossing. This crossing will reconnect habitats that have been cut off from each other for three

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49:16

Carbon Removal Technology, IPCC And Policy,...

Science Friday ·

2022/04/22

Celebrating Earth Day With Sustainable Action Today is Earth Day, when many people around the world are taking time to think about their relationship with the planet and to focus on activities helping to mitigate the existential problems our environment faces. And we will be doing the same: devoting our program to Earth Day stories, ideas, and issues. Sara Kiley Watson, assistant editor at Popular Science in charge of their sustainability coverage, joins Ira to talk about some challenges facing our

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48:42

Inaccurate COVID Case Numbers, Spending A Trillion...

Science Friday ·

2022/04/15

FDA Approves First Breathalyzer COVID Test The FDA approved a new COVID breathalyzer test, which gives results in just three minutes. It’s the first test that identifies chemical compounds of coronavirus in breath. The testing unit is about the size of a piece of carry-on luggage and is intended to be used in medical offices and mobile testing sites. Nsikan Akpan, health and science editor at WNYC Radio based in New York City, talks with Ira about this new COVID test and other science news of the

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48:48

NSF Director, Soylent Green In 2022, Colorado...

Science Friday ·

2022/04/15

Did ‘Soylent Green’s’ Predictions About 2022 Hold Up? In the spring of 1973, the movie Soylent Green premiered. The film drops us into a New York City that’s overcrowded, polluted, and dealing with the effects of a climate catastrophe. Only the city’s elite can afford clean water and real foods, like strawberry jam. The rest of the population relies on a communal food supply called Soylent. There’s Soylent Red, Soylent Yellow… and a new product: Soylent Green. The year the film takes place? 2022

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48:27

Why Cold Plasma Could Help Sustainable Farming, How...

Science Friday ·

2022/04/08

The Future of Sustainable Farming Could Be Cold Plasma Plasma is a fascinating medium. It’s considered the fourth state of matter—alongside solid, liquid and gas—and it’s everywhere. In fact, more than 99.9% of all matter in the universe is assumed to be in plasma form. You may be most familiar with plasma as the material inside those glowing novelty lamps found in museum gift shops, but it’s naturally found in the sun, lightning, and the northern lights. Research into plasma and how it intersects

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49:55

FDA To Analyze COVID Boosters Efficacy, Dig Into...

Science Friday ·

2022/04/08

FDA Convenes Panel On COVID Boosters And New Vaccines This week, the FDA convened a panel of independent experts to discuss COVID-19 boosters and possible variant-specific vaccines. This comes after last week’s authorization of a second booster for people over the age of 50, and some immunocompromised people. Ira talks with Maggie Koerth, senior science writer at FiveThirtyEight, based in Minneapolis, Minnesota, about the latest on boosters and other science news of the week, including a new

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48:39

Why People Can’t Read Bar Graphs, First Complete...

Science Friday ·

2022/04/01

Can You Read A Bar Graph? Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total count, which is trickier to understand. And because bar graphs are everywhere, psychologists from Wellesley College wanted to determine how well people can actually read and interpret bar graphs. Turns out, one in five people in their study misunderstood the data the bar

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798 results

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