Sinopse
Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast
Episódios
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Donate Your Health Data to Medical Science
30/03/2015 Duração: 01minYou can now share your genome, health and microbiome info, and viral infection data to crowdsourced medical research projects. Cynthia Graber reports
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African-American Longevity Suffered after Great Migration
26/03/2015 Duração: 01minThe six million black people who left the South between 1910 and 1970 had better economic opportunity but a lower chance or reaching their 70s. Erika Beras reports
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Enceladus Might Be a Methane Hotspot
25/03/2015 Duração: 01minNASA’s Cassini spacecraft spotted a surprising amount of methane erupting from Saturn’s moon Enceladus, suggesting it harbors more methane than we thought. Clara Moskowitz reports
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Malaria Parasite Attracts Mosquitoes with Perfume
24/03/2015 Duração: 01minThe Plasmodium parasite uses an altered type of plant chloroplast to manufacture pine-and-lemon-scented chemicals, which lure in the bloodsuckers. Christopher Intagliata reports
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See Movement Better by Bicarb
23/03/2015 Duração: 01minBicarbonate, the chemical that transports CO2 through the blood, increases the "refresh rate" of rod cells in lab tests--which could mean better motion detection. Christopher Intagliata reports
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Teotihuacán's Social Tensions Contributed to Its Fall
20/03/2015 Duração: 02minThe decline and abandonment of the Mexican metropolis may have been hastened by infighting among different cultural and socioeconomic groups. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Music’s Physiological Effects Transcend Culture
19/03/2015 Duração: 02minPeople in the Congo rainforests or in Montreal tended to react to the same piece of music in strikingly similar ways. Andrea Alfano reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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That's What Ya Call a 4-Star Planet
19/03/2015 Duração: 03minAstronomers report the discovery of only the second quadruple-star system known to host at least one planet. But they suspect there are a lot more such systems out there. Lee Billings reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Smoke Makes Twisters More Likely to Strike
18/03/2015 Duração: 02minSmoke wafting north from the Gulf of Mexico worsened the already stormy weather brewing across the southeastern U.S. on April 27, 2011. Julia Rosen reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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La Niña Conditions Spin Up More Springtime Twisters
18/03/2015 Duração: 02minSevere weather forecasters could incorporate El Niño and La Niña cycling to make springtime tornado and hail forecasts. Christopher Intagliata reports
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Human Remains Double Known Rainforest Occupation Time
17/03/2015 Duração: 01minPhysical remains in Sri Lanka show that people lived in rainforests 20,000 years ago, at least 10,000 years earlier than previous evidence showed. Cynthia Graber reports
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Crowd-Sourced Medical Research Gets Apple Assist
16/03/2015 Duração: 01minWhat’s called ResearchKit enables scientists to more easily write mobile apps that take advantage of iPhone sensors to study asthma, Parkinson’s and other diseases. Larry Greenemeier reports
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Big Bang Sitcom Stars Scientific American Tonight
12/03/2015 Duração: 02minOn the March 12 episode of The Big Bang Theory, a mock copy of Scientific American becomes a key part of the plot. The sitcom's science advisor, U.C.L.A. physicist David Saltzberg, talks about the show's reach to the lay public. Steve Mirsky reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Background Music Jams Memory in Older Adults
11/03/2015 Duração: 01minPeople of all ages find background sound distracting, but noise appears to impede memory formation in older people. Erika Beras reports
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Some European Languages Came by Steppe
10/03/2015 Duração: 01minA new genetic analysis reveals a massive migration from the central Asian grasslands into Europe 4,500 years ago—implying that some languages followed. Christopher Intagliata reports
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Animals Can Be Given False Memories
09/03/2015 Duração: 02minTwo studies, one with bees and one with mice, show that the brain can be manipulated into having a memory of an occurrence that did not in reality happen. Karen Hopkin reports
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Whale Grandmas' Longevity Linked to Knowledge
05/03/2015 Duração: 01minWhale females, like humans, live well past menopause, a trait possibly selected for because their knowledge base can help their entire clan survive. Dina Fine Maron reports
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Salty Skin Boosts Mouse Wound Healing
04/03/2015 Duração: 02minMice fed a diet high in sodium had increased immune cell activity in their skin that helped ward off infection. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Titan Could Host Life "Not As We Know It"
03/03/2015 Duração: 01minSaturn's moon Titan is too cold for cell membranes to form as they do on Earth. But researchers have come up with a cell membrane that could exist on Titan. Christopher Intagliata reports
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Climate Skeptic Senator Burned after Snowball Stunt
02/03/2015 Duração: 02minOklahoma Sen. James Inhofe carried a snowball onto the Senate floor to insinuate that climate change was not real, after which Rhode Island Sen. Sheldon Whitehouse torched Inhofe's argument. Steve Mirsky reports