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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Graphene Garment Blocks Blood-Sucking Skeeters
28/08/2019 Duração: 02minA small patch of graphene on human skin seemed to block the mosquitoes’ ability to sense certain molecules that trigger a bite. Christopher Intagliata reports.
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Martian Winds Could Spread Microbe Hitchhikers
26/08/2019 Duração: 01minMicrobes fly tens of miles over Chile’s dry, UV-blasted Atacama Desert—and scientists say the same could happen on Mars. Christopher Intagliata reports.
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Including Indigenous Voices in Genomics
21/08/2019 Duração: 02minA program at the University of Illinois trains indigenous scientists in genomics—in hopes that future work will be aimed at benefiting those communities. Christine Herman reports.
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West Point Uniforms Signify Explosive Chemistry
19/08/2019 Duração: 03minU.S. Military Academy cadets wear the colors black, gray and gold for reasons found in gunpowder’s chemistry.
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Secrets of the Universe Trapped in Antarctic Snow
14/08/2019 Duração: 03minScientists found an interstellar iron isotope in Antarctic snow samples—which hints that our region of the universe may be the remnant of an ancient exploding star. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Certain Personality Types Are Likely to Make a "Foodie Call"
13/08/2019 Duração: 03minSome people go on dates just to score a free meal—a phenomenon known as a “foodie call.” But it takes a certain personality type. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Artificial Intelligence Sniffs Out Unsafe Foods
12/08/2019 Duração: 01minResearchers trained machine-learning algorithms to read Amazon reviews for hints that a food product would be recalled by the FDA. Christopher Intagliata reports.
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A Computer Tells Real Smiles from Phonies
09/08/2019 Duração: 03minSlight changes around the eyes are indeed a giveaway as to whether a smile is sincere or faked. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Stare Down Gulls to Avoid Lunch Loss
08/08/2019 Duração: 02minResearchers slowed the approach of greedy gulls by an average of 21 seconds by staring at the birds versus looking elsewhere. Christopher Intagliata reports.
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Real Laughs Motivate More Guffaws
07/08/2019 Duração: 02minHonest, involuntary laughter cued people to laugh more at some really bad jokes than they did when hearing forced laughter.
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Extinction Wipes Out Evolution's Hard Work
05/08/2019 Duração: 03minBy killing off many of New Zealand’s endemic birds, humans destroyed 50 million years’ worth of evolutionary history. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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London Is Crawling with Drug-Resistant Microbes
03/08/2019 Duração: 01minNearly half of bacteria gathered in public settings around the city were resistant to two or more commonly used antibiotics, such as penicillin and erythromycin. Christopher Intagliata reports.
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Male Black Widows Poach Rivals' Approaches
01/08/2019 Duração: 03minMating is risky business for black widow males—so they hitchhike on the silk threads left by competitors to more quickly find a mate. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Babies Want Fair Leaders
31/07/2019 Duração: 02minBabies as young as a year and a half want leaders to fix situations in which they see someone else being treated unfairly.
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Parrots Are Making the U.S. Home
30/07/2019 Duração: 02minReleased or escaped parrots are now living in most states and are breeding in at least 21. For some, it’s a second chance at survival.
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Science News Briefs from All Over
29/07/2019 Duração: 02minA few brief reports about international science and technology from Guatemala to Australia, including one about the first recorded tornado in Nepal.
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Tourist Photographs Help African Wildlife Census
25/07/2019 Duração: 02minPhotographs snapped by safari tourists are a surprisingly accurate way to assess populations of African carnivores. Christopher Intagliata reports.
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For Ants, the Sky's the Compass
23/07/2019 Duração: 02minComputer modeling revealed that insects with a celestial compass can likely determine direction down to just a couple degrees of error. Christopher Intagliata reports.
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Why Two Moonships Were Better Than One
20/07/2019 Duração: 02minEngineer John Houbolt pushed for a smaller ship to land on the lunar surface while the command module stayed in orbit around the moon.
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One Small Scoop, One Giant Impact for Mankind
19/07/2019 Duração: 03minJust before Neil Armstrong climbed back into the lunar module, he scooped up a few last-minute soil samples--which upturned our understanding of planetary formation. Christopher Intagliata reports.