Science Magazine Podcast

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Podcast: Why we murder, resurrecting extinct animals, and the latest on the three-parent baby Sep 29, 2016

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Daily news stories Should we bring animals back from extinction, three-parent baby announced, and the roots of human violence, with David Grimm. From the magazine Our networked world gives us an unprecedented ability to monitor and respond to global happenings. Databases monitoring news stories can provide real-time information about events all over the world -- like conflicts or protests. However, the databases that now exist aren’t up to the task. Alexa Billow talks with Ryan Kennedy about his policy forum that addresses problems with global data collection and interpretation. [Image: Stocktrek Images, Inc. / Alamy Stock Photo; Music: Jeffrey Cook]

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Podcast: An atmospheric pacemaker skips a beat, a religious edict that spawned fat chickens, and knocking out the ‘sixth sense’ Sep 22, 2016

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A quick change in chickens’ genes as a result of a papal ban on eating four-legged animals, the appeal of tragedy, and genetic defects in the “sixth sense,” with David Grimm.
From the magazine
In February of this year, one of the most regular phenomena in the atmosphere skipped a cycle. Every 22 to 36 months, descending eastward and westward wind jets—high above the equator—switch places. The Quasi-Biennial Oscillation, or QBO, is normally so regular you can almost set your watch by it, but not this year. Scott Osprey discusses the implications for this change with Alexa Billow.
Read the research.
[Image: ValerijaP/iStockphoto; Music: Jeffrey Cook]

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Podcast: A burning body experiment, prehistoric hunting dogs, and seeding life on other planets Sep 15, 2016

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News stories on our earliest hunting companions, should we seed exoplanets with life, and finding space storm hot spots with David Grimm. From the magazine Two years ago, 43 students disappeared from a teacher’s college in Guerrero, Mexico. Months of protests and investigation have not yielded a believable account of what happened to them. The government of Mexico claims that the students were killed by cartel members and burned on an outdoor pyre in a dump outside Cucola. Lizzie Wade has been following this story with a focus on the science of fire investigation. She talks about an investigator in Australia that has burned pig carcasses in an effort to understand these events in Mexico. [Image: Edgard Garrido/REUTERS/Music: Jeffrey Cook]

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Podcast: Double navigation in desert ants, pollution in the brain, and dating deal breakers Sep 08, 2016

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News stories on magnetic waste in the brain, the top deal breakers in online dating, and wolves that are willing to “risk it for the biscuit,” with David Grimm. From the magazine How do we track where we are going and where we have been? Do you pay attention to your path? Look for landmarks? Leave a scent trail? The problem of navigation has been solved a number of different ways by animals. The desert-dwelling Cataglyphis ant was thought to rely on stride integration, basically counting their steps. But it turns out they have a separate method of keeping track of their whereabouts called “optic flow.” Matthias Wittlinger joins Sarah Crespi to talk about his work with these amazing creatures. Read the research. [Image: Rooobert Bayer /Music: Jeffrey Cook]

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Podcast: Ceres’s close-up, how dogs listen, and a new RNA therapy Sep 01, 2016

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News stories on what words dogs know, an RNA therapy for psoriasis, and how Lucy may have fallen from the sky, with Catherine Matacic. From the magazine In early 2015, NASA’s Dawn spacecraft entered orbit around Ceres, the largest object in the asteroid belt. Over the last year and a half, scientists have studied the mysterious dwarf planet using data collected by Dawn, including detailed images of its surface. Julia Rosen talks with Debra Buczkowski about Ceres’s close-up. See the full Ceres package.

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Podcast: Quantum dots in consumer electronics and a faceoff with the quiz master Aug 25, 2016

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Sarah Crespi takes a pop quiz on literal life hacking, spotting poverty from outer space, and the size of the average American vocabulary with Catherine Matacic. From the magazine You can already buy a quantum dot television, but it’s really just the beginning of the infiltration of quantum dots into our everyday lives. Cherie Kagan is here to talk about her in depth review of the technology published in this week’s issue. [Image: Public domain; Music: Jeffrey Cook]

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Podcast: How mice mess up reproducibility, new support for an RNA world, and giving cash away wisely Aug 18, 2016

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News stories on a humanmade RNA copier that bolsters ideas about early life on Earth, the downfall of a pre-Columbian empire, and how a bit of cash at the right time can keep you off the streets, with Jessica Boddy. From the magazine This story combines two things we seem to talk about a lot on the podcast: reproducibility and the microbiome. The big question we’re going to take on is how reproducible are mouse studies when their microbiomes aren’t taken into account? Staff writer Kelly Servick is here to talk about what promises to be a long battle with mouse-dwelling bugs. [Image: Annedde/iStockphoto; Music: Jeffrey Cook]

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Podcast: 400-year-old sharks, busting a famous scientific hoax, and clinical trials in pets Aug 11, 2016

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News stories on using pets in clinical trials to test veterinarian drugs, debunking the Piltdown Man once and for all, and deciding just how smart crows can be, with David Grimm. From the magazine It’s really difficult to figure out how old a free-living animal is. Maybe you can find growth rings in bone or other calcified body parts, but in sharks like the Greenland shark, no such hardened parts exist. Using two different radiocarbon dating approaches, Julius Neilsen and colleagues discovered that the giant Greenland shark may live as long as 400 years. Read the research. [Image: James Howard McGregor/Wikimedia Commons/Music: Jeffrey Cook]

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Podcast: Pollution hot spots in coastal waters, extreme bees, and diseased dinos Aug 04, 2016

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News stories on bees that live perilously close to the mouth of a volcano, diagnosing arthritis in dinosaur bones, and the evolution of the female orgasm, with David Grimm. From the magazine Rivers deliver water to the ocean but water is also discharged along the coast in a much more diffuse way. This “submarine groundwater discharge” carries dissolved chemicals out to sea. But the underground nature of these outflows makes them difficult to quantify. Audrey Sawyer talks with Sarah Crespi about the scale of this discharge and how it affects coastal waters surrounding the United States. [Image: Hilary Erenler/Music: Jeffrey Cook]

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Podcast: Saving wolves that aren’t really wolves, bird-human partnership, and our oldest common ancestor Jul 28, 2016

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Stories on birds that guide people to honey, genes left over from the last universal common ancestor, and what the nose knows about antibiotics, with Devi Shastri. The Endangered Species Act—a 1973 U.S. law designed to protect animals in the country from extinction—may need a fresh look. The focus on “species” is the problem. This has become especially clear when it comes to wolves—recent genetic information has led to government agencies moving to delist the grey wolf. Robert Wayne helps untangle the wolf family tree and talks us through how a better understanding of wolf genetics may trouble their protected status. [Image: Claire N. Spottiswoode/Music: Jeffrey Cook]

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