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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Grazing Cattle Trim the Menu for Birds
30/08/2017 Duração: 02minWhen cattle graze the desert's natural landscape, birds face changes in food availability—and some species are unable to adapt. Jason Goldman reports.
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Climate Change Might Shrink Fish
29/08/2017 Duração: 01minWarmer water boosts fishes' demand for oxygen—and their bodies may shrink in response. Christopher Intagliata reports.
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A Fruitful Experiment in Land Conservation
25/08/2017 Duração: 03minIn 1998 an orange juice maker dumped 12,000 tons of orange peels on degraded pastureland in Costa Rica—transforming it into vine-rich jungle. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Recycle Your Eclipse Glasses
23/08/2017 Duração: 01minAstronomers Without Borders wants to share your used eclipse glasses with kids in other parts of the world for the 2019 total solar eclipse.
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Seeing 1 Solar Eclipse May Not Be Enough
19/08/2017 Duração: 02minDavid Baron, author of the new book American Eclipse, talks about how seeing his first total solar eclipse turned him into an eclipse chaser.
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Solar Eclipse in 1097 May Be Rock-Carving Subject
18/08/2017 Duração: 03minA petroglyph spotted in Chaco Canyon may depict a total solar eclipse witnessed by the Pueblo people. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Social Media Sites Can Profile Your Contacts
17/08/2017 Duração: 02minWhy you should think twice before you give an app access to your phone’s address book.
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"Textalyzer" Aims at Deadly Distracted Driving
14/08/2017 Duração: 03minA new device promises to tell police when a driver has been sending messages while behind the wheel, but is it legal? Larry Greenemeier reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Climate Change Fires Up Polar Bear Treadmill
10/08/2017 Duração: 02minSea ice is drifting faster in the Arctic—which means polar bears need to walk farther to stay in their native range. Emily Schwing reports.
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No Bull: Lizards Flee When They See Red
09/08/2017 Duração: 02minWestern fence lizards are more spooked by red and gray shirts than they are by blue ones—perhaps because the males have blue bellies themselves. Christopher Intagliata reports.
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Celebrities Tweet Like Bots
05/08/2017 Duração: 02minCelebrity Twitter accounts look a lot like Twitter bots: They tweet regularly, follow relatively few people, and upload a lot of content. Christopher Intagliata reports.
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Cold Snap Shapes Lizard Survivors
03/08/2017 Duração: 03minAn epic bout of cold weather quickly altered a population of lizards—an example of natural selection in action. Christopher Intagliata reports.
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Mediterranean Diet Works--for Upper Crust
01/08/2017 Duração: 03minItalians who stuck closely to the heart-healthy diet had fewer heart attacks and strokes—but only if they were well-off and/or college educated. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Screams Heard Round the Animal World
31/07/2017 Duração: 03minHumans appear well equipped to recognize the alarm calls of other animals—perhaps because sounds of distress tend to have higher frequencies. Karen Hopkin reports.
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This Caterpillar Whistles While It Irks
28/07/2017 Duração: 03minThe North American walnut sphinx caterpillar produces a whistle that sounds just like a songbird's alarm call--and the whistle seems to startle birds. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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To Buy Happiness, Spend Money on Saving Time
26/07/2017 Duração: 02minVolunteers who used money to save themselves time were more content than volunteers who purchased themselves physical stuff. Karen Hopkin reports.
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Bacteria Can Be Resistant to Brand-New Antibiotics
25/07/2017 Duração: 01minExposure to existing antibiotics can imbue infectious bacteria with resistance that also kicks in against new drugs related to the originals. Christopher Intagliata reports.
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Teaching Computers to Enjoy the View
19/07/2017 Duração: 02minResearchers in the U.K. trained computers to rate photos of parks and cities for what humans consider to be their scenic beauty. Christopher Intagliata reports.
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Flying through a Corpse's Clues
17/07/2017 Duração: 02minForensic entomologists can chemically analyze fly eggs from a corpse, which might speed up detective work. Christopher Intagliata reports.
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Old Records Help Resurrect Historic Quake
14/07/2017 Duração: 04minCentury-old records found in Puerto Rico helped reconstruct the damage caused there by a magnitude 7.3 earthquake—and could help disaster experts plan for the next big one. Julia Rosen reports. Learn more about your ad choices. Visit megaphone.fm/adchoices