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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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.
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Some Hotel Bed Bug Sightings May Be Bogus
14/06/2017 Duração: 02minOnly a third of travelers could correctly identify a bed bug—suggesting that some bug sightings in online reviews could be cases of mistaken identity. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Opioids Still Needed by Some Pain Patients
13/06/2017 Duração: 02minThe "other victims" of the opioid epidemic are pain patients who need the drugs but cannot now get them because of fears related to their use
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Bacterially Boosted Mosquitoes Could Vex Viruses
08/06/2017 Duração: 02minMosquitoes infected with Wolbachia bacteria are unable to transmit viruses to humans—and could curb the spread of viral disease. Karen Hopkin reports.
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Alaska Accelerates Indoor Agriculture
04/06/2017 Duração: 03minWith 700 new greenhouses, Alaska is growing its own produce as deep into winter as the sun keeps rising. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Chromosomes Combat Counterfeit Caviar
03/06/2017 Duração: 01minResearchers found unique genetic variants that differentiate costly beluga caviar from cheaper fakes that rip off consumers. Christopher Intagliata reports.
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French Prez Invites Trumped Researchers
02/06/2017 Duração: 02minNew French president, Emmanual Macron, reacted to the U.S. withdrawal from the Paris climate agreement by inviting disaffected U.S. researchers to make France "a second homeland."
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Trees Beat Lawns for Water-Hungry L.A.
27/05/2017 Duração: 02minEvaporation from overwatered lawns cost the city of Los Angeles 70 billion gallons of wasted water a year. But the city's trees were much thriftier. Christopher Intagliata reports.
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Former CDC Head Warns of Threats Biological and Political
26/05/2017 Duração: 01minTom Frieden, head of the CDC from 2009 to 2017, told graduating medical students that we face challenges from pathogens, and from politicians.