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PODCAST

Science Magazine Podcast

Science Magazine

Weekly podcasts from Science Magazine, the world"s leading journal of original scientific research, global news, and commentary.

science news commentary

All Episodes

22:28

How DNA is revealing Latin America’s lost histories,...

Science Magazine Podcast ·

2018/04/12

Geneticists and anthropologists studying historical records and modern-day genomes are finding traces of previously unknown migrants to Latin America in the 16th and 17th centuries, when Asians, Africans, and Europeans first met indigenous Latin Americans. Sarah Crespi talks with contributing correspondent Lizzie Wade about what she learned on the topic at the American Association of Physical Anthropologists’s annual meeting in Austin. Sarah also interviews Kang-Keun Ni about her research using

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21:56

Legendary Viking crystals, and how to put an octopus...

Science Magazine Podcast ·

2018/04/05

A millennium ago, Viking navigators may have used crystals known as “sunstones” to navigate between Norway and Greenland. Sarah Crespi talks with Online News Editor David Grimm about how one might use a crystal to figure out where they are. Sarah also interviews freelancer Danna Staaf about her piece on sedating cephalopods. Until recently, researchers working with octopuses and squids faced the dilemma of not knowing whether the animals were truly sedated or whether only their ability to respond

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31:14

Chimpanzee retirement gains momentum, and x-ray...

Science Magazine Podcast ·

2018/03/29

Two of the world’s most famous research chimpanzees have finally retired. Hercules and Leo arrived at a chimp sanctuary in Georgia last week. Sarah Crespi checks in with Online News Editor David Grimm on the increasing momentum for research chimp retirement since the primates were labeled endangered species in 2015. Sarah also interviews freelancer Sophia Chen about her piece on x-ray ghost imaging—a technique that may lead to safer medical imaging done with cheap, single-pixel cameras. David

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21:45

A possible cause for severe morning sickness, and...

Science Magazine Podcast ·

2018/03/22

Researchers are converging on which genes are linked to morning sickness—the nausea and vomiting associated with pregnancy—and the more severe form: hyperemesis gravidarum (HG). And once we know what those genes are—can we help pregnant women feel better? News intern Roni Dengler joins Sarah Crespi to talk about a new study that suggests a protein already flagged for its role in cancer-related nausea may also be behind HG. In a second segment, Tracy Bedrosian of the Neurotechnology Innovations

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21:43

How humans survived an ancient volcanic winter and...

Science Magazine Podcast ·

2018/03/15

When Indonesia’s Mount Toba blew its top some 74,000 years ago, an apocalyptic scenario ensued: Tons of ash and debris entered the atmosphere, coating the planet in ash for 2 weeks straight and sending global temperatures plummeting. Despite the worldwide destruction, humans survived. Sarah Crespi talks with Online News Editor Catherine Matacic about how life after Toba was even possible—were humans decimated, or did they rally in the face of a suddenly extra hostile planet? Next, Julia Buck of the

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41:42

Animals that don’t need people to be domesticated;...

Science Magazine Podcast ·

2018/03/08

Did people domesticate animals? Or did they domesticate themselves? Online News Editor David Grimm talks with Sarah Crespi about a recent study that looked at self-domesticating mice. If they could go it alone, could cats or dogs have done the same in the distant past? Next, Sinan Aral of the Massachusetts Institute of Technology in Cambridge joins Sarah to discuss his work on true and false rumor cascades across all of Twitter, since its inception. He finds that false news travels further, deeper,

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35:53

A new dark matter signal from the early universe,...

Science Magazine Podcast ·

2018/03/01

For some time after the big bang there were no stars. Researchers are now looking at cosmic dawn—the time when stars first popped into being—and are seeing hints of dark matter’s influence on supercold hydrogen clouds. News Writer Adrian Cho talks with Sarah Crespi about how this observation was made and what it means for our understanding of dark matter. Sarah also interviews Joanna Kaplanis of the Wellcome Sanger Institute in Hinxton, U.K., about constructing enormous family trees based on an

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25:25

Neandertals that made art, live news from the AAAS...

Science Magazine Podcast ·

2018/02/22

We talk about the techniques of painting sleuths, how to combat alternative facts or “fake news,” and using audio signposts to keep birds from flying into buildings. For this segment, David Grimm—online news editor for Science—talks with host Sarah Crespi as part of a live podcast event from the AAAS Annual Meeting in Austin. Sarah also interviews Science News Editor Tim Appenzeller about Neandertal art. The unexpected age of some European cave paintings is causing experts to rethink the mental

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14:47

Genes that turn off after death, and debunking the...

Science Magazine Podcast ·

2018/02/15

Some of our genes come alive after we die. David Grimm—online news editor for Science—talks with Sarah Crespi about which genes are active after death and what we can learn about time of death by looking at patterns of postmortem gene expression. Sarah also interviews David Merritt Johns of Columbia University about the so-called sugar conspiracy. Historical evidence suggests, despite recent media reports, it is unlikely that “big sugar” influenced U.S. nutrition policy and led to the low-fat diet

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22:30

Happy lab animals may make better research subjects,...

Science Magazine Podcast ·

2018/02/08

Would happy lab animals—rats, mice, even zebrafish—make for better experiments? David Grimm—online news editor for Science—talks with Sarah Crespi about the potential of treating lab animals more like us and making them more useful for science at the same time. Sarah also interviews Jon Abbatt of the University of Toronto in Canada about indoor chemistry. What is going on in the air inside buildings—how different is it from the outside? Researchers are bringing together the tools of outdoor

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19:44

Following 1000 people for decades to learn about the...

Science Magazine Podcast ·

2018/02/01

David Grimm—online news editor for Science—talks with Sarah Crespi about the chance a naked mole rat could die at any one moment. Surprisingly, the probability a naked mole rat will die does not go up as it gets older. Researchers are looking at the biology of these fascinating animals for clues to their seeming lack of aging. Sarah also interviews freelancer Douglas Starr about his feature story on the Dunedin Multidisciplinary Health and Development Study—a comprehensive study of the lives of all

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23:38

The dangers of dismantling a geoengineered sun shield...

Science Magazine Podcast ·

2018/01/25

Catherine Matacic—online news editor for Science—talks with Sarah Crespi about how geoengineering could reduce the harshest impacts of climate change, but make them even worse if it were ever turned off. Sarah also interviews Augustine Kong of the Big Data Institute at the University of Oxford in the United Kingdom about his Science paper on the role of noninherited “nurturing genes.” For example, educational attainment has a genetic component that may or may not be inherited. But having a parent

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25:28

Unearthed letters reveal changes in Fields Medal...

Science Magazine Podcast ·

2018/01/18

Freelance science writer Michael Price talks with Sarah Crespi about recently revealed deliberations for a coveted mathematics prize: the Fields Medal. Unearthed letters suggest early award committees favored promise and youth over star power. Sarah also interviews Julia Dressel about her Science Advances paper on predicting recidivism—the likelihood that a criminal defendant will commit another crime. It turns out computers aren’t better than people at these types of predictions, in fact—both are

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19:49

Salad-eating sharks, and what happens after quantum...

Science Magazine Podcast ·

2018/01/11

David Grimm—online news editor for Science—talks with Sarah Crespi about two underwater finds: the first sharks shown to survive off of seagrass and what fossilized barnacles reveal about ancient whale migrations. Sarah also interviews Staff Writer Adrian Cho about what happens after quantum computing achieves quantum supremacy—the threshold where a quantum computer’s abilities outstrip nonquantum machines. Just how useful will these machines be and what kinds of scientific problems might they

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18:30

Who visits raccoon latrines, and boosting cancer...

Science Magazine Podcast ·

2018/01/04

David Grimm—online news editor for Science—talks with Sarah Crespi about a long-term project monitoring raccoon latrines in California. What influence do these wild bathrooms have on the ecosystem? Sarah also interviews Christian Jobin of the University of Florida in Gainesville about his Perspective on three papers linking the success of cancer immunotherapy with microbes in the gut—it turns out which bacteria live in a cancer patient’s intestines can predict their response to this cutting-edge

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32:24

Science’s Breakthrough of the Year, our best online...

Science Magazine Podcast ·

2017/12/21

Dave Grimm—online news editor for Science—talks with Sarah Crespi about a few of this year’s top stories from our online news site, like ones on a major error in the monarch butterfly biological record and using massive balloons to build tunnels, and why they were chosen. Hint: It’s not just the stats. Sarah also interviews Staff Writer Adrian Cho about the 2017 Breakthrough of the Year. Adrian talks about why Science gave the nod to the Laser Interferometer Gravitational-Wave Observatory team for

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21:41

Putting the breaks on driverless cars, and dolphins...

Science Magazine Podcast ·

2017/12/14

Whales and dolphins have incredibly sensitive hearing and are known to be harmed by loud underwater noises. David Grimm talks with Sarah Crespi about new research on captive cetaceans suggesting that some species can naturally muffle such sounds—perhaps opening a way to protect these marine mammals in the wild. Sarah also interviews Staff Writer Jeffrey Mervis about his story on the future of autonomous cars. Will they really reduce traffic and make our lives easier? What does the science say

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20:49

Folding DNA into teddy bears and getting creative...

Science Magazine Podcast ·

2017/12/07

This week, three papers came out describing new approaches to folding DNA into large complex shapes—20 times bigger than previous DNA sculptures. Staff Writer Bob Service talks with Sarah Crespi about building microscopic teddy bears, doughnuts, and more from genetic material, and using these techniques to push forward fields from materials science to drug delivery. Sarah also interviews Philip Cook of Duke University in Durham, North Carolina, about his Policy Forum on gun regulation research

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22:28

Debunking yeti DNA, and the incredibly strong arms of...

Science Magazine Podcast ·

2017/11/30

The abominable snowman, the yeti, bigfoot, and sasquatch—these long-lived myths of giant, hairy hominids depend on dropping elusive clues to stay in the popular imagination—a blurry photo here, a big footprint there—but what happens when scientists try to pin that evidence down? Online News Editor David Grimm talks with Sarah Crespi about the latest attempts to verify the yeti’s existence using DNA analysis of bones and hair and how this research has led to more than the debunking of a mythic

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28:52

The world’s first dog pictures, and looking at the...

Science Magazine Podcast ·

2017/11/22

About 8000 years ago, people were drawing dogs with leashes, according to a series of newly described stone carvings from Saudi Arabia. Online News Editor David Grimm talks with Sarah Crespi about reporting on this story and what it says about the history of dog domestication. Sarah also interviews physicist Brad Marston of Brown University on surprising findings that bring together planetary science and quantum physics. It turns out that Earth’s rotation and the presence of oceans and atmosphere

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625 results

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