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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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
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This Cell Phone Needs No Battery
12/07/2017 Duração: 02minAn experimental cell phone works by absorbing and reflecting radio waves—meaning it's incredibly energy efficient and needs no battery. Christopher Intagliata reports.
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Bacteria Might Share the Blame for Eczema
07/07/2017 Duração: 02minIn patients with severe eczema, Staphylococcus aureus strains dominated the skin microbe population—suggesting that certain types of bacteria could worsen eczema flares. Christopher Intagliata reports.
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Franklin's Lightning Rod Served Political Ends
04/07/2017 Duração: 01minWhether lightning rods should have rounded or pointy ends became a point of contention between rebellious Americans and King George III.
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Heat Will Hit America's Poorest Worst
30/06/2017 Duração: 03minEconomists calculate that each degree Celsius of warming will dock the U.S. economy by 1.2 percent--and increase the divide between rich and poor. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Rainbow Photons Pack More Computing Power
28/06/2017 Duração: 02minQuantum bits, aka qubits, can simultaneously encode 0 and 1. But multicolored photons could enable even more states to exist at the same time, ramping up computing power. Christopher Intagliata reports.
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Moths Inspire Better Smartphone Screens
26/06/2017 Duração: 01minResearchers designed an antireflective coating for smartphone screens, with inspiration from the bumpy eyes of moths. Christopher Intagliata reports.
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Better Memory Begets Boredom
23/06/2017 Duração: 03minThe better study participants scored in the memory test, the faster they got bored. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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DNA Points to Multiple Migrations into the Americas
22/06/2017 Duração: 03minDNA analysis of skeletons found in the Pacific Northwest backs up traditional oral histories, and suggests there could have been more than one colonization of the Americas. Emily Schwing reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Keep Rolling Luggage Upright with Physics
21/06/2017 Duração: 02minA team of physicists has revealed why rolling suitcases start rocking from wheel to wheel—and how to avoid that frustrating phenomenon. Christopher Intagliata reports.
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Wolves Need More Room to Roam
20/06/2017 Duração: 03minEcologists say wolves should be allowed to roam beyond remote wilderness areas—and that by scaring off smaller predators like coyotes and jackals, wolves might do a good service, too. Emily Schwing reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Engineers Build Bendy Batteries for Wearables
19/06/2017 Duração: 03minResearchers built silver–zinc batteries that can bend and stretch—meaning they could be more elegantly integrated into future wearable devices. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Rising Temps Lower Polar Bear Mercury Intake
15/06/2017 Duração: 02minAs polar bears are forced onto land, they're feeding on animals with less mercury—reducing their levels of the toxic pollutant. Christopher Intagliata reports.