Synopsis
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
Episodes
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Teenage Clockmaker Upholds Long Scientific Tradition
18/09/2015 Duration: 02minAs Daniel Boorstin, former director of the Smithsonian National Museum of History, once put it, clockmakers were the "pioneer scientific instrument makers"
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Nonpolitical Tweets May Reveal Political Bias
17/09/2015 Duration: 02minWord selection among Twitter users who could be identified as likely members of one or the other political party showed specific usage patterns. Christopher Intagliata reports
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California Mountain Snowpack Is Flaking Out
15/09/2015 Duration: 03minWith the Sierra Nevada snowpack at historic lows, should policy makers focus on capturing future rain instead of relying on the snow bank? Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Domesticated Pigs Kept Oinking with Wild (and Crazy) Boars
14/09/2015 Duration: 03minDomesticated pigs had many dalliances with wild boars that added new genes to the pig population well after they had settled down on the farm Learn more about your ad choices. Visit megaphone.fm/adchoices
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Snake Bites in Costa Rica Peak with El Niño Cycling
11/09/2015 Duration: 01minResearchers found that snakebites were two to three times as prevalent in the hottest and coldest years of the El Niño climate cycle. Christopher Intagliata reports
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Sperm Whales Congregate in Click-Based Cliques
10/09/2015 Duration: 02minThe whales appear to prefer the company of "like-minded" individuals, based on common vocal clicking behavior—an example of culture, researchers say. Christopher Intagliata reports
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Humans' Predation Unsustainably Takes Healthy Adult Prey
09/09/2015 Duration: 01minWhereas most predators kill the young or infirm, humans claim a disproportionate number of mature healthy adults of reproductive age
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Better Road Signs Could Save Bicycle Riders
04/09/2015 Duration: 03minSigns that say "Share the Road" with bicycles may have far less influence over motor vehicle driver behavior than would signs saying "Bicycles May Use Full Lane." Learn more about your ad choices. Visit megaphone.fm/adchoices
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Self-Healing Spaceship Shielding Could Keep Astronauts Safer
03/09/2015 Duration: 03minA new lightweight material that heals itself when punctured could help spacecraft survive run-ins with debris. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Road Noise Takes a Toll on Migrating Birds
01/09/2015 Duration: 03minResearchers built a "phantom road" through wilderness using tree-mounted speakers to play traffic sounds, and witnessed a decline in bird fitness and diversity. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Terse Titles Cited
31/08/2015 Duration: 02minScientific papers with shorter titles receive more citations than those with long-winded headings
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Sick Ants Seek Out Medicinal Food
27/08/2015 Duration: 03minHealthy ants wanted nothing to do with free-radical-rich foodstuff, but ants exposed to a pathogenic fungus sought it out, which upped their odds of survival. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Seaweed Bodyguards Coral against Bullying Sea Stars
26/08/2015 Duration: 03minCrown-of-thorns sea stars are an "underwater swarm of locusts" that devour coral—unless the coral is protected by a layer of seaweed. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Cosmetic Ads' Science Claims Lack Foundation
25/08/2015 Duration: 01minAn analysis of some 300 cosmetics ads in magazines found the vast majority of their science claims to be either false or too vague to judge
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Deep Voice Gives Politicians Electoral Boost
24/08/2015 Duration: 02minTwo new studies find that a deeper voice gives a politican an edge over a higher-pitched opponent
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Vomit Machine Models Cruise-Ship Virus Spread
22/08/2015 Duration: 04minUsing a simulated vomiting device, scientists determined that projectile vomiting can aerosolize noroviruslike particles, allowing the infection to spread short distances through the air. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Sunlight Activates Smog-Causing Chemicals in City Grime
20/08/2015 Duration: 03minThe grime on city buildings and may actively contribute to urban air pollution. Christopher Intagliata reports Learn more about your ad choices. Visit megaphone.fm/adchoices
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Methane-Eating Microbes May Mitigate Arctic Emissions
19/08/2015 Duration: 01minA newly discovered strain of bacteria found in Arctic permafrost harvests methane from the air—meaning it could help mitigate the effects of warming. Christopher Intagliata reports
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Chinese Cave Graffiti Agrees with Site's Drought Evidence
18/08/2015 Duration: 01minResearchers linked dated graffiti about droughts in a cave in China to physical evidence in the cave of the water shortages, such as changes in ratios of stable isotopes in specific layers of stalagmites
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Whistled Language Forces Brain to Modify Usual Processing
17/08/2015 Duration: 01minBoth hemispheres are involved in the brains of people interpreting a whistled variant of Turkish, compared with a left hemisphere dominance when listeners hear the spoken language