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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Habitat Loss a Real Buzzkill for Invertebrates
26/08/2014 Duración: 02minThe number of invertebrates has fallen by nearly half over the past 35 years—the same period of time in which the human population has doubled. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Soccer Goalies Ignore Basic Rule of Probability
25/08/2014 Duración: 02minWhen penalty shots repeatedly head in one direction, world-class goalkeepers are more likely to lunge the other way. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Finally, an Algorithm to Sort Your Beatles Albums
22/08/2014 Duración: 01minBy analyzing the evolving structure of the Beatles’ music, the computer program was able to correctly place the Fab Four’s albums in chronological order. Karen Hopkin reports
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Sack Sulfates to Preserve Sewers
21/08/2014 Duración: 02minSulfates used in water treatment become sulfuric acid in our sewers, eating away at the concrete infrastructure. Cynthia Graber reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Bio-Battery Produces Power from Your Perspiration
20/08/2014 Duración: 01minExercising in the future could make dirty clothes and some clean energy. Karen Hopkin reports
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Lose Your Job? Good for the Rest of Us
19/08/2014 Duración: 01minRecession lowers mortality in the population overall—even as the out-of-work individual’s risk of death rises. Karen Hopkin reports
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Nose Knows What the Mind Tells It
18/08/2014 Duración: 01minWhen people with asthma think they’re smelling something noxious, their airways become inflamed—even when the odor is harmless. Karen Hopkin reports
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Tiny Toe Tools Ensure Gecko Traction
15/08/2014 Duración: 01minTo activate or loosen their grip on a surface, geckos extend and angle or retract tiny toe hairs that create contact points. Clara Moskowitz reports
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Guys Prefer Electric Shocks to Boredom
13/08/2014 Duración: 01minGuys would rather zap themselves with electricity than be left alone with their thoughts for 15 minutes. Karen Hopkin reports
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Google Searches Linked to Stock Market Moves
12/08/2014 Duración: 01minWhen Web searches related to business and politics go up, the market tends to take a dive—although that connection may already be fading. Christopher Intagliata reports
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Andromeda Snickers at Milky Way Mass
06/08/2014 Duración: 01minA new estimate finds that the Milky Way, once thought to be twice as massive as Andromeda, may actually only have half our neighbor galaxy's mass. Christopher Intagliata reports
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Spider's Scat Disguise May Be Its Salvation
05/08/2014 Duración: 01minMasquerading as a bird turd appears to protect certain arachnids from getting eaten by wasps. Karen Hopkin reports
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System Converts Solar Efficiently to Steam
04/08/2014 Duración: 01minA graphite disk resting on carbon foam collects sunlight to heat water directly to steam with 85 percent efficiency. Cynthia Graber reports
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Environment Has Beef with Beef
01/08/2014 Duración: 01minRaising beef uses 28 times more land, 11 times more water and six times more fertilizer than the average expenditures for other livestock. Cynthia Graber reports
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Pack Rats Expand Diet with New Gut Bacteria
31/07/2014 Duración: 01minPack rats given the right gut bacteria via a fecal transplant from other pack rats can then digest foods that they formerly could not, but the donors could. Karen Hopkin reports
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Colorful Birds Can Also Belt Tunes
30/07/2014 Duración: 01minA survey of the tanagers reveals that birds do not have to choose between colorful plumage and a melodious song. Karen Hopkin reports
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Roach Reactions to Venom Point to Targeted Pesticides
29/07/2014 Duración: 01minSmall changes in the protein sequence of sodium channels of American compared with German cockroaches leave the latter susceptible to a venom that has little effect on the former. Cynthia Graber reports
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Ocean Plastic Particles Could Get in Gills
28/07/2014 Duración: 02minSea creatures eat plastic dumped in the ocean, but they also might be accumulating plastic by sucking up tiny particles with their siphons and gills. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Salmonella's Favorite Food Could Be Its Achilles' Heel
23/07/2014 Duración: 01minSalmonella's primary fuel source is the molecule fructose-asparagine. Starving it of that fuel in an infected person could kill it without harming beneficial gut bacteria. Karen Hopkin reports
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Education Level Linked to Nearsightedness
21/07/2014 Duración: 02minIn a German study, half of those with a university degree were myopic compared with less than a quarter of folks who quit after high school or secondary school. Karen Hopkin reports Learn more about your ad choices. Visit megaphone.fm/adchoices