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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Primate Conflicts Play Out in the Operating Room
05/07/2018 Duração: 03minBy analyzing 200 surgeries, anthropologists found mixed-gender operating room teams exhibited the highest levels of cooperation. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Sharks Make a Splash in Brooklyn
04/07/2018 Duração: 01minVisitors can see and learn about sharks and their environment in the new "Ocean Wonders: Sharks!" facility at the Wildlife Conservation Society's New York Aquarium.
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City Life Favors Downsized Invertebrates
03/07/2018 Duração: 04minMost invertebrates get smaller on average in cities, although a few very mobile species respond to urbanization by growing. Learn more about your ad choices. Visit megaphone.fm/adchoices
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People Ration Where They Roam
02/07/2018 Duração: 01minAn analysis of the movement of some 40,000 people suggests most of us frequent only 25 places—and as we sub in new favorites, we drop old ones. Christopher Intagliata reports.
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Humans Can Size One Another Up with a Roar
28/06/2018 Duração: 03minListeners to a person letting loose with a roar can accurately estimate the size and formidability or the human noise maker. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Piano Lessons Tune Up Language Skills
26/06/2018 Duração: 01minSix months of piano lessons can heighten kindergartners' brain responses to different pitches, and improve their ability to tell apart two similar-sounding words. Christopher Intagliata reports.
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Cardinal Rule: Female Birds Sing, Too
25/06/2018 Duração: 04minMany people assume only male birds do the singing. But females also sing in at least 660 species and perhaps many more. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Bird's Song Staying Power Implies Culture
22/06/2018 Duração: 01minCertain motifs in swamp sparrow songs can last hundreds, even thousands of years—evidence of a cultural tradition in the birds. Christopher Intagliata reports.
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Alaskan Beluga Whales Ace Hearing Exam
21/06/2018 Duração: 01minResearchers tested the hearing of beluga whales in an Alaskan bay and found that they seem to have suffered little hearing loss due to ocean noise. Christopher Intagliata reports.
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Fat–Carb Combo Is a Potent One–Two Punch
19/06/2018 Duração: 04minFoods high in both carbs and fats tickle the brain’s reward circuits more so than snacks that showcase just one or the other. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Jupiter Crackles with Polar Lightning
17/06/2018 Duração: 02minJuno spacecraft data suggest lightning on Jupiter is much more common than we thought—but it congregates near the poles, not the equator as on Earth. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Coral Reefs Keep Costly Waves at Bay
15/06/2018 Duração: 01minA new analysis found the flood protection benefits of coral reefs save the global economy $4 billion dollars a year. Christopher Intagliata reports.
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Hippo Dung Fouls Up Freshwater Fisheries
14/06/2018 Duração: 02minHippo poop is piling up in Tanzania’s freshwater fisheries—which is bad news for biodiversity, and deleterious for the dinner plate. Jason G. Goldman reports.
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A Litmus Test for Bad Breath
13/06/2018 Duração: 02minResearchers engineered a portable device that detects even the tiniest trace of hydrogen sulfide—one of the primary offenders in bad breath. Karen Hopkin reports.
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Prez (of AMA) Issues Call to Arms-Science
11/06/2018 Duração: 03minAt the AMA annual meeting the organization's president petitioned for an evidence-based, science-driven analysis of gun violence and solutions.
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Powder Pulls Drinking Water from Desert Air
08/06/2018 Duração: 01minA structure known as a metal organic framework traps water vapor by night, then releases it when heated the next day. Christopher Intagliata reports.
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Ancient Clan War Explains Genetic Diversity Drop
06/06/2018 Duração: 02minSome 5,000 to 7,000 years ago, the diversity of Y chromosomes plummeted. A new analysis suggests clan warfare may have been the cause. Christopher Intagliata reports.
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Saying "This May Hurt" May Make It Worse
05/06/2018 Duração: 02minWarning a child that something, like a vaccine shot, will hurt can actually increase their perception of the pain.
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Mongooses Gift Grooming for Guard Duty
01/06/2018 Duração: 02minHumans and other primates often reciprocate good deeds. A new study suggests a nonprimate, the dwarf mongoose, does so, too, even after a delay. Christopher Intagliata reports.
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Some Trees Beat Heat with Sweat
31/05/2018 Duração: 03minDuring extreme heat waves, a species of eucalyptus copes by releasing water and taking advantage of evaporative cooling. Other trees may do the same.