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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Election Science Stakes: Medicine and Public Health
27/10/2020 Duração: 03minScientific American’s senior medicine editor Josh Fischman talks about issues in medicine and public health that will be affected by this election.
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Election 2020: The Stakes for Science
26/10/2020 Duração: 02minScientific American’s editor in chief sets up this week’s series of podcasts about how this election could affect science, technology and medicine.
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Why Some Easter Island Statues Are Where They Are
25/10/2020 Duração: 02minMany of the statues not along the coast are in places that featured a resource vital to the communities that lived and worked there.
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Acorn Woodpeckers Fight Long, Bloody Territorial Wars
23/10/2020 Duração: 03minMore than 40 of the birds, in coalitions of three or four, may fight for days over oak trees in which to store their acorns.
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Funky Cheese Rinds Release an Influential Stench
22/10/2020 Duração: 02minThe volatile compounds released by microbial communities on cheese rinds shape and shift a cheese’s microbiome. Christopher Intagliata reports.
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Dinosaur Asteroid Hit Worst-Case Place
21/10/2020 Duração: 03minThe mass-extinction asteroid happened to strike an area where the rock contained a lot of organic matter and sent soot into the stratosphere, where it could block sunlight for years.
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River Ecosystem Restoration Can Mean Just Add Water
20/10/2020 Duração: 04minPlanners returned water to the dry bed of Arizona’s Santa Cruz River in 2019, and various species began showing up on the same day.
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3,000-Year-Old Orbs Provide a Glimpse of Ancient Sport
18/10/2020 Duração: 03minResearchers say three ancient leather balls, dug up from the tombs of horsemen in northwestern China, are the oldest such specimens from Europe or Asia. Christopher Intagliata reports.
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Humans Make Wild Animals Less Wary
16/10/2020 Duração: 03minFrom mammals to mollusks, animals living among humans lose their antipredator behaviors.
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Play Helped Dogs Be Our Best Friends
13/10/2020 Duração: 03minThe ancestors of today’s dogs already exhibited some playfulness, which became a key trait during domestication.
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Neandertal DNA May Be COVID Risk
10/10/2020 Duração: 02minA stretch of Neandertal DNA has been associated with some cases of severe COVID-19, but it’s unclear how much of a risk it poses. Christopher Intagliata reports.
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Nobelist Talks CRISPR Uses
08/10/2020 Duração: 03minNew Nobel laureate in chemistry Jennifer Doudna talks about various applications of the gene-editing tool CRISPR.
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Blue Whale Song Timing Reveals Time to Go
07/10/2020 Duração: 03minBlue whales off California’s coast sing at night—until it’s time to start migrating, and they switch to daytime song.
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New Nobel Laureate Talks Today's Virology
05/10/2020 Duração: 03minCharles Rice, who today shared the Nobel Prize in Physiology or Medicine for the discovery of the hepatitis C virus, talked about how rapidly research now occurs, compared with his early work.
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Greenland Is Melting Faster Than Any Time in Past 12,000 Years
03/10/2020 Duração: 03minResearchers determined that Greenland is on track to lose more ice this century than during any of the previous 120 centuries. Christopher Intagliata reports.
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Sloths Slowly Cavort by Day Now
02/10/2020 Duração: 03minThe disappearance of their predators in a disturbed ecosystem has turned Atlantic forest sloths from night creatures to day adventurers.
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Dinosaurs Got Cancer, Too
28/09/2020 Duração: 03minResearchers seeking evidence for cancer in dinosaurs found it in a collection of bones at a paleontology museum in Alberta.
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Fluttering Feathers Could Spawn New Species
24/09/2020 Duração: 02minFork-tailed flycatchers make a fluttering sound with their wings—but separate subspecies have different “dialects” of fluttering. Christopher Intagliata reports.
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Science News from around the World
22/09/2020 Duração: 03minHere are some brief reports about science and technology from all over, including one from Israel about what DNA reveals about the Dead Sea Scrolls’ parchment.
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These Small Mammals Snort to a Different Tune
17/09/2020 Duração: 04minHyraxes, which live in Africa and the Middle East, punctuate their songs with snorts. And the snorts appear to reflect the animals’ emotional state. Jason G. Goldman reports.