PODCAST

Science Friday

RISC_OBFUSCATED

Brain fun for curious people.

science & medicine

All Episodes

00:47:16

Gender Bias In Research Trials, Antarctica, Tornado...

Science Friday ·

2019/06/07

For half a century, most neuroscience experiments have had one glaring flaw: They've ignored female study subjects. The reason? Researchers claimed, for example, that female rats and mice would skew their data, due to hormonal cycling. Writing in the journal Science, neuroscientist Rebecca Shansky says that view is out of date—and it's been harming science too. She and Radiolab producer and co-host Molly Webster join Ira to talk about the past, present, and future of laboratory research, and whether

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00:43:32

SciFri Extra: Remembering Murray Gell-Mann

Science Friday ·

2019/06/04

Physicist Murray Gell-Mann died recently at the age of 89. He received the 1969 Nobel Prize in Physics for his work on the theory of elementary particles, and is credited with giving quarks their name. But he was known for more than just physics—he was a co-founder of the Santa Fe Institute, and a champion of creativity and interdisciplinary research. One of his biggest interests was exploring the “chain of relationships” that connects basic physical laws and the subatomic world to the complex

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00:47:07

Climate Politics, Football and Math, Ether. May 31,...

Science Friday ·

2019/05/31

A green wave is sweeping through Washington, and it’s picking up Republicans who are eager to share their ideas on clean energy and climate change. But even as Republican lawmakers turn to shaping climate policy, the White House is doubling down on climate denial, forming a “climate review panel” to vet and discredit the already peer-reviewed science on climate change. So where will climate science end up? Ira’s joined by marine biologist Ayana Elizabeth Johnson and climate scientist Michael Mann

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00:47:12

Spoiler Alert, Glyphosate, Unisexual Salamanders. May...

Science Friday ·

2019/05/31

How many times has this happened to you? You’re standing in front of an open freezer, wondering what type of mystery meat has been left in there, when you purchased it, and if it’s still safe to eat? If you’re puzzled by sell-by dates, freezer burn, and just how long food can remain edible, you’re not alone. Studies show that more than 80 percent of Americans misinterpret date labels and throw food away prematurely to protect their families’ health. That adds up to $218 billion worth of food each

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00:14:57

SciFri Extra: A Relatively Important Eclipse

Science Friday ·

2019/05/28

This week marks the 100th anniversary of an eclipse that forever changed physics and our understanding of the universe. In May 1919, scientists set out for Sobral, Brazil, and Príncipe, an island off the west coast of Africa, to photograph the momentarily starry sky during a total eclipse. Their scientific aim was to test whether the sun’s gravity would indeed bend light rays from faraway stars, as predicted by Einstein’s theory of general relativity. After analyzing the data from the brief minutes

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00:46:53

Bees! May 24, 2019, Part 2

Science Friday ·

2019/05/24

For the hobby beekeeper, there’s much to consider when homing your first domestic honey bee colonies—what kind of hive to get, where to put them, where to get your bees, and how to help them survive the winter. But when left to their own devices, what do the bees themselves prefer? From smaller nests to higher openings, wild honey bees seem to prefer very different conditions from the closely clustered square boxes of traditional beekeeping. But there are ways to adapt! Seeley joins Ira to explain

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00:46:56

Ebola Outbreak, Climate Play, Navajo Energy. May 24,...

Science Friday ·

2019/05/24

What would it take to power a subsea factory of the future? Plus, other stories from this week in science news. Then, as the last coal-fired power plant plans to shut down at the end of the year, the Navajo Tribe is embracing renewables. Next, in the Democratic Republic of Congo, distrust of the government and healthcare workers are hampering efforts to contain the current outbreak. Finally, in a new climate change play, a playwright explores what kinds of narratives we need to stir action on

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00:46:58

New Horizons Discovery, Science Fair Finalists,...

Science Friday ·

2019/05/17

The most happening New Year’s Party of 2019 wasn’t at Times Square or Paris—it was in the small town of Laurel, Maryland, halfway between Baltimore and Washington, D.C., at the Johns Hopkins University Applied Physics Lab. There, scientists shared the stage with kids decked out in NASA gear, party hats, and astronaut helmets. They were there to count down not to the new year, but to the New Horizons spacecraft flying by a very distant, very ancient, snowman-shaped object: MU69. Now, the first haul

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00:46:53

Degrees Of Change: Sea Level Rise, Coal-Use Decline....

Science Friday ·

2019/05/17

As the frequency of tropical storms and droughts increase and sea levels rise with climate change, forested wetlands along the Atlantic coast are slowly filling with dead and dying trees. The accelerating spread of these “ghost forests” over the past decade has ecologists alarmed and eager to understand how they are formed and what effect they will have regionally and globally. One interdisciplinary group of researchers from North Carolina State University and Duke University are examining the

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00:46:16

Biodiversity Report And The Science Of Parenting. May...

Science Friday ·

2019/05/10

According to a new UN report on global biodiversity, as many as one million species—both plants and animals—are now at risk of extinction, according to a new UN report on global biodiversity. That number includes 40% of all amphibian species, 33% of corals, and around 10% of insects. One might assume that this type of devastating species loss could only come as a result of one thing—climate change. But in fact, as the report highlights illustrate, it’s deforestation, changes in land and sea use,

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00:47:20

Superconductivity Search, Ride-Share Congestion,...

Science Friday ·

2019/05/10

Six decades ago, a group of physicists came up with a theory that described electrons at a low temperature that could attract a second electron. If the electrons were in the right configuration, they could conduct electricity with zero resistance. The Bardeen-Cooper-Schrieffer theory, named after the three physicists, is the basis for how superconductivity works at a quantum level. Superconductivity would allow electricity to flow with no loss of heat from its system. Since that time, scientists

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00:47:15

Neuroscientists Peer Into The Mind's Eye, Alexander...

Science Friday ·

2019/05/03

It sounds like a sci-fi plot: Hook a real brain up to artificial intelligence, and let the two talk to each other. That’s the design of a new study in the journal Cell, in which artificial intelligence networks displayed images to monkeys, and then studied how the monkey’s neurons responded to the picture. The computer network could then use that information about the brain’s responses to tweak the image, displaying a new picture that might resonate more with the monkey’s visual processing

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00:47:42

Business Planning For Climate Change,The Digital...

Science Friday ·

2019/05/03

Scientists have built all sorts of models to predict the likelihood of extreme weather events. But it’s not just scientists who are interested in these models. Telecomm giant AT&T teamed up with scientists at Argonne National Laboratory in Illinois to build a climate map of the Southeastern part of the country, overlaid with a map of AT&T’s infrastructure. Climate scientist Rao Kothamarthi from Argonne Labs discusses the process of creating hyperlocal climate change models, and Shannon

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00:45:57

Measles, Poetry Month, Lemur Hibernation. April 26,...

Science Friday ·

2019/04/26

Back in 1963, before the development of the measles, mumps, and rubella (MMR) vaccine, there were 4 million cases of measles every year. It took nearly four decades, but by 2000, enough people had become vaccinated that the measles virus was eliminated in the U.S. But since then, the ranks of unvaccinated people have grown, and the measles virus has been reintroduced into the U.S. This week, Centers for Disease Control and Prevention (CDC) officials report over 600 cases of measles across 22

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00:46:09

Degrees of Change: Sponge Cities and Pocket Prairies....

Science Friday ·

2019/04/26

Climate change is happening—now we need to deal with it. Degrees of Change, a new series of hour-long radio specials from Science Friday, explores the problem of climate change and how we as a planet are adapting to it. In this first chapter, SciFri looks at how climate change affects water systems. This year, there were record downpours in the American Midwest that washed out levees and caused catastrophic flooding. Meanwhile, California is recovering from a seven year-long drought that led to

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00:47:02

5G, Pig Brains, Privacy For Nature. April 19, 2019,...

Science Friday ·

2019/04/19

Last week, President Trump announced a new initiative to push forward the implementation of 5G, the next generation of wireless connectivity for smartphones and other devices. How is this faster speed possible, and how quickly will it become accessible to consumers? Washington Post technology reporter Brian Fung explains the innovations that would enable greater rates of data transmission. Plus: Harold Feld, a lawyer and consumer advocate, says not everyone will benefit equally from 5G as plans

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00:46:57

New Human Species, Census, Plankton, Brain Etchings....

Science Friday ·

2019/04/19

Last week, researchers announced they’d found the remains of a new species of ancient human on the island of Luzon in the Philippines. It was just a few teeth and bones from toes and hands, but they appeared to have a strange mix of ancient and modern human traits scientists had never seen before. Enter: Homo luzonesis. However, Homo luzonesis’ entry on the hominid family tree is still fuzzy and uncertain. Dr. Shara Bailey, associate professor in the Department of Anthropology at New York

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00:46:29

Year In Space Results, Citizen Science Day, Cherry...

Science Friday ·

2019/04/12

To find out what was happening to astronauts over longer periods of space flight, NASA put together a 10-team study of twin astronauts Scott and Mark Kelly. Scott spent a year on International Space Station, while his brother Mark lived a relatively normal life on Earth—though both regularly sent the researchers samples of their blood, urine, cognitive test results, and other data to assess their physiology over time. Scott Kelly returned to Earth in 2016, and researchers have been studying and

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00:46:51

Event Horizon Telescope, Biosphere 2. April 12, 2019,...

Science Friday ·

2019/04/12

“As I like to say, it’s never a good idea to bet against Einstein,” astrophysicist Shep Doeleman told Science Friday back in 2016, when the Event Horizon Telescope project was just getting underway. At an illuminating press conference on Wednesday, April 10th, scientists shared the image for the first time: a slightly blurry lopsided ring of light encircling a dark shadow. But even as the image confirms current ideas about gravity, it also raises new questions about galaxy formation and quantum

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00:17:02

SciFri Extra: Picturing A Black Hole

Science Friday ·

2019/04/06

The Event Horizon Telescope is tackling one of the largest cosmological challenges ever undertaken: Take an image of the supermassive black hole at the center of our galaxy, using a telescope the size of the Earth. Now, the Event Horizon team has announced they have big news to share about those efforts. On Wednesday April 10th, it’s anticipated they will show a photo of the event horizon. Before they do, we wanted to share this 2016 conversation with Event Horizon project director Shep Doeleman

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