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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Earlier Springs May Mean Mistimed Bird Migrations
12/09/2018 Duração: 01minSpringtime's arriving earlier across North America. But the degree of change isn't the same everywhere, which could spell trouble for migratory birds. Christopher Intagliata reports.
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Survey the Wildlife of the "Great Indoors"
10/09/2018 Duração: 01minBiologists are enlisting citizen scientists to poke around under the sink and behind the curtains, for wildlife living in the "great indoors." Karen Hopkin reports.
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When Neutron Stars Collide
07/09/2018 Duração: 02minAstrophysicists have gotten a better glimpse at what happens to crashing neutron stars by listening in on the electromagnetic echoes of the collision. Christopher Intagliata reports.
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Bonnethead Sharks Are Underwater Lawn Mowers
06/09/2018 Duração: 01minThe hammerhead relatives consume copious amounts of sea grass, and have the digestive machinery to process it—making them true omnivores. Christopher Intagliata reports.
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Hurricane Is a Natural Selection Experiment
05/09/2018 Duração: 04minWhen Hurricane Irma blew through the Turks and Caicos, lizards with shorter hindlimbs lucked out. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Pasta Problem Cracked!
04/09/2018 Duração: 03minAn intrepid undergrad led the way to understanding the physics of snapping strands of spaghetti.
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Science News You Might Have Missed
31/08/2018 Duração: 02minA few very brief reports about science and technology from around the globe.
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Pineapple Waste Won't Be Wasted
27/08/2018 Duração: 04minCosta Rican scientists are extracting valuable materials from the peel and stubble of pineapples. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Sometimes Mosquitoes Are Just Thirsty
24/08/2018 Duração: 02minMosquitoes want your blood for its proteins...or simply to hydrate on a hot, dry day.
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Robot Bartender Will Take Your Order
23/08/2018 Duração: 02minDigital assistants have to respond quickly, but correctly—so researchers are studying how real humans navigate that trade-off, to design better machines. Christopher Intagliata reports.
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As Spring Arrives Earlier, Arctic Geese Speed Up Their Migration
22/08/2018 Duração: 03minThe birds are arriving in the Arctic up to 13 days earlier than they used to. But at a cost: hunger. Annie Sneed reports.
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Freeloading Ants Help the Workflow
21/08/2018 Duração: 02minFire ants tunnels got excavated efficiently by only a small percentage of the group doing most of the work, thus avoiding pileups in tight spaces.
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Ancient Americans Bred Symbolically Important Scarlet Macaws
20/08/2018 Duração: 03minGenetic information from the bones of macaws found in abandoned pueblos suggests they were bred and distributed as a commodity. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Rising CO2 Means Monarch Butterfly Bellyaches
17/08/2018 Duração: 03minMilkweed grown with more carbon dioxide in the air supplies fewer toxins to monarch butterflies that need the toxins to fight off gut parasites. Learn more about your ad choices. Visit megaphone.fm/adchoices
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For Some Crows, Migration Is Optional
16/08/2018 Duração: 02minCrows are what's known as "partial migrants"—as cold weather approaches, some crows fly south whereas others stay put. And that behavior appears to be ingrained. Christopher Intagliata reports.
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Plants Dominate the Planet's Biomass
15/08/2018 Duração: 03minAbout 80 percent of Earth's biomass is plant life, with humans about equal to krill way down the heft chart. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Solar Eclipse of 2017 Boosted Science Interest
14/08/2018 Duração: 02minThe Michigan Scientific Literacy Survey of 2017 found that last year's total solar eclipse got Americans more interested in celestial science.
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Crickets Carve Tools to Amplify Their Chirps
13/08/2018 Duração: 02minThe insects fashion and use "baffles"—sound controllers—made of leaves to produce sound more efficiently. Jason G. Goldman reports.
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Computerized Chemical Toxicity Prediction Beats Animal Testing
10/08/2018 Duração: 03minResearchers programmed a computer to compare structures and toxic effects of different chemicals, making it possible to then predict the toxicity of new chemicals based on their structural similarity to known ones. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Better Data Could Mean Better Dating
09/08/2018 Duração: 02minBoth men and women tended to pursue mates just 25 percent more desirable than themselves—suggesting they are "optimistic realists." Christopher Intagliata reports.