Sinopsis
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
Episodios
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Infants Already Glued to Multiple Screens
29/04/2015 Duración: 01minA new survey suggests that most kids by age two are using tablets and smartphones, sometimes while watching TV. Christopher Intagliata reports
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Old Cats Can Get Seizures from Sound
28/04/2015 Duración: 01minFeline audiogenic reflex seizures, or FARS, was discovered after a few cat owners reported the issue to an advocacy group
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Musical Performance Activates Specific Genes
27/04/2015 Duración: 02minBlood tests on 10 professional musicians before and after playing showed that specific genes got turned on by performance, some of which are also active in songbirds. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Shipwreck Champagne Reveals Old Wine Secrets
24/04/2015 Duración: 02minAnalysis of 168 bottles of bubbly that sat at the sea bottom for 170 years shows how the old-timers tweaked their champagne taste. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Small Screen Looks at an Electrified America
22/04/2015 Duración: 02minScientific American's David Biello hosts a new episode of the TV series Beyond the Light Switch, focusing on the means to and effects of a more electricity-powered country. Steve Mirsky reports
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Taste Salty with Less Salt
20/04/2015 Duración: 03minMaking salamis and cheeses with more pores might make them taste just as salty but with less added sodium finding its way into the body. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Granular Materials Could Thwart Missiles
16/04/2015 Duración: 02minThe harder a projectile hits a granular substance like sand, the more that material acts like a solid, effectively repelling the intruder. Christopher Intagliata reports
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A Few Hundred Smartphones Could Catch Earthquakes Early
15/04/2015 Duración: 01minThanks to their GPS systems, smartphones in an array could pick up movements indicating the onset of an earthquake and provide extra seconds of early warning. Cynthia Graber reports
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Martian Glaciers Equal Meter-Thick Planetary Ice Shell
13/04/2015 Duración: 03minRadar measurements and models of Earthly glacial ice flows led researchers to conclude that the glaciers spotted on Mars from orbiters contain nearly 150 billion cubic meters of water. Lee Billings reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Nobelist Talks about Exercise and Chromosome Integrity
09/04/2015 Duración: 02minIn a Google Hangout Nobel laureate Elizabeth Blackburn and Scientific American Editor in Chief Mariette DiChristina discuss the relationship between exercise and telomere length, which is related to diseases of aging
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Typing Style Reveals Fatigue or Disease
08/04/2015 Duración: 02minHow a person types can reveal the state of their brain, according to a study that tracked keystrokes when the typist was alert or groggy. Cynthia Graber reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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App Provides Pocket Time Capsule
07/04/2015 Duración: 01minNew app called Pivot will let gadget users see old and new images of sites as they walk past. Larry Greenemeier reports
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Online Breast Milk Buyers May Get Cowed
06/04/2015 Duración: 01minAn analysis of human breast milk bought online reveals that some 10 percent of the samples contained cow’s milk. Dina Fine Maron reports
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B.O. Gives Up Its Stinky Secrets
03/04/2015 Duración: 01minStaphylococcus hominis is a key perpetrator of body odor—and researchers say selectively interfering with it could make for more effective deodorants. Christopher Intagliata reports
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Outdoor Exercise Worth Some Air Pollution Risk
02/04/2015 Duración: 03minA Danish study of more than 50,000 adults suggests that exercise lowers risk of death—even if you work out amidst urban air pollution. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Diabetics Benefit by Biggest Meal Early
01/04/2015 Duración: 01minA small study finds that diabetics who ate a big breakfast and small dinner had better glucose control than those who ate the opposite. Steve Mirsky reports
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Donate Your Health Data to Medical Science
30/03/2015 Duración: 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 Duración: 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 Duración: 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 Duración: 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