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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Bees Use 'Bullshit' Defense to Keep Giant Hornets at Bay
11/01/2021 Duração: 05minThe prospect of death by giant hornet has pushed some Asian honeybees to resort to a poop-based defense system
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Humans May Have Befriended Wolves with Meat
07/01/2021 Duração: 01minUnlike humans, wolves can subsist on protein alone for months—so scientists say we may have lobbed leaner leftovers their way. Christopher Intagliata reports.
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How to Avoid Becoming a Meal for a Cheetah
06/01/2021 Duração: 04minResearchers help farmers in Namibia avoid costly cattle losses by tracking big cat hangouts
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How the Coronavirus Pandemic Shaped Our Language in 2020
01/01/2021 Duração: 02minLinguist Ben Zimmer says the pandemic has turned us all into amateur epidemiologists utilizing terms such as “superspreader” and “asymptomatic.” Christopher Intagliata reports.
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Science News Briefs from around the Planet
28/12/2020 Duração: 01minHere are some brief reports about science and technology from around the world, including one from Panama about the toll lightning takes on tropical trees.
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Ravens Measure Up to Great Apes on Intelligence
22/12/2020 Duração: 02minJuvenile ravens performed just as well as chimps and orangutans in a battery of intelligence tests—except for assays of spatial skills. Christopher Intagliata reports.
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Baby Bees Deprive Caregivers of Sleep
21/12/2020 Duração: 03minBee larvae and pupae appear to secrete a chemical that does the work of a late-night cup of coffee for their nurses.
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How the Wolves Change the Forest
17/12/2020 Duração: 05minNew research tracked the canines in northern Minnesota for years to see just how they reshape their ecosystems. Audio of wolves inside Voyageurs National Park, courtesy of Jacob Job.
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Brain Sides Are Both Busy in New Language Learning
16/12/2020 Duração: 03minA study of adults learning a new language found that speaking primarily activated regions in the left side of the brain, but reading and listening comprehension were much more variable
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A Nurse's Message about the COVID-19 Vaccine
15/12/2020 Duração: 02minNurse Kristen Choi says health care providers need to better educate patients about possible side effects from the COVID-19 vaccine. Christopher Intagliata reports.
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Eye Treatment Stretches Mouse Sight Beyond Visible Spectrum
12/12/2020 Duração: 03minNanoparticles that attach to photoreceptors allowed mice to see infrared and near-infrared light for up to two months.
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This Bat Wears a Face Mask
11/12/2020 Duração: 05minThe wrinkle-faced bat covers its face with a flap of skin, seemingly as part of its courtship rituals.
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The Denisovans Expand Their Range into China
02/12/2020 Duração: 02minEvidence of the ancient humans was limited to a cave in Siberia. But now scientists have found genetic remains of the Denisovans in China. Christopher Intagliata reports.
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Undersea Earthquakes Reveal Sound Warming Info
30/11/2020 Duração: 03minTravel time differences for sound waves produced by undersea earthquakes in the same place at different times can provide details about ocean warming.
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Duckbill Dino Odyssey Ended in Africa
24/11/2020 Duração: 03minA duckbill dinosaur jawbone found in Morocco means that dinosaurs crossed a large body of water to reach Africa.
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Early Mammals Had Social Lives, Too
18/11/2020 Duração: 02minChipmunklike animals that lived among the dinosaurs appear to have been social creatures, which suggests that sociality arose in mammals earlier than scientists thought. Christopher Intagliata reports.
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Science News Briefs from All Over
17/11/2020 Duração: 02minHere are some brief reports about science and technology from around the world, including one, from the dormant volcano Llullaillaco in Chile, about a mouse that is the highest-dwelling mammal ever documented.
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Divide and Conquer Could Be Good COVID Strategy
12/11/2020 Duração: 02minCOVID might be fought efficiently with fewer shutdowns by restricting activities only in a particular area with a population up to 200,000 when its case rate rises above a chosen threshold.
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Zebra Coloration Messes With Fly Eyes
10/11/2020 Duração: 04minHorseflies misjudge landings on zebra patterns, compared with solid gray or black surfaces, which provides evidence for why evolution came up with the black-and-white pattern.
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Science Sound(E)scapes: Head Banging and Howling in the Amazon
06/11/2020 Duração: 09minNeed a break from politics and the pandemic? You’re probably not in the Amazon rain forest right now, but we can take you there in audio. Today, in part three of our three-part audio sound escape, we ascend into the trees where howler monkeys and crimson-crested woodpeckers rule the airwaves.