Sinopsis
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
Episodios
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Implanting Memories in Birds Reveals How Learning Happens
20/11/2019 Duración: 03minResearchers activated specific brain cells in zebra finches to teach them songs they’d ordinarily have to hear to learn.
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Dogs Like Motion That Matches Sound
19/11/2019 Duración: 01minPet dogs appeared more interested in videos of a bouncing ball when the motion of the ball matched a rising and falling tone. Christopher Intagliata reports.
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Egyptian Vats 5,600 Years Old Were For Beer Brewing
16/11/2019 Duración: 04minArchaeologists working in the ancient city of Hierakonpolis discovered five ceramic vats containing residues consistent with brewing beer. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Famously Fickle Felines Are, in Fact, Clingy
13/11/2019 Duración: 02minCats are clingier to their human owners than their reputation would suggest. Karen Hopkin reports.
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Aversion to Broccoli May Have Genetic Roots
12/11/2019 Duración: 03minStudy subjects with a gene variant that heightened their sensitivity to bitterness tended to eat fewer vegetables than people who didn’t mind bitter flavors. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Marine Mammal Epidemic Linked to Climate Change
09/11/2019 Duración: 02minA measleslike virus is ricocheting through marine mammal populations in the Arctic—and melting sea ice might be to blame. Christopher Intagliata reports.
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Ant Colonies Avoid Traffic Jams
07/11/2019 Duración: 02minResearchers tracked thousands of individual ants to determine how they move in vast numbers without stumbling into gridlock.
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Ranking Rise May Intimidate Opponents
06/11/2019 Duración: 02minIn an analysis of chess and tennis matches, players rising in the rankings did better than expected against higher-ranked opponents and better than similarly ranked players who were not rising.
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Familiar Tunes Rapidly Jog the Brain
05/11/2019 Duración: 04minWithin just a third of a second of hearing a snippet of a familiar refrain, our pupils dilate, and the brain shows signs of recognition. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Science News Briefs from around the Globe
01/11/2019 Duración: 02minA few brief reports about international science and technology from Brazil to Hong Kong, including one about male elephants in India exhibiting unusual social behaviors.
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We Owe Our Pumpkins to Pooping Megafauna
31/10/2019 Duración: 02minThe pumpkin’s ancestor was an incredibly bitter, tennis-ball-sized squash—but it was apparently a common snack for mastodons. Christopher Intagliata reports.
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Bird Egg Colors Are Influenced by Local Climate
29/10/2019 Duración: 01minIn cold, northern climates, eggs tend to be darker and browner—heat-trapping colors that allow parents to spend a bit more time away from the nest. Christopher Intagliata reports.
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Crabs Do a Maze
28/10/2019 Duración: 01minGreen crabs learned to navigate a maze without making a single wrong turn—and remembered the skill weeks later. Christopher Intagliata reports.
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Odd Bird Migrates Twice to Breed
24/10/2019 Duración: 02minThe phainopepla migrates from southern California to the desert Southwest to breed in the spring before flying to California coastal woodlands to do so again in summer.
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Piranha-Proof Fish Gives Inspiration for Body Armor
23/10/2019 Duración: 02minA gigantic fish from the Amazon has incredibly tough scales—and materials scientists are looking to them for bulletproof inspiration. Christopher Intagliata reports.
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Galloping Ant Beats Saharan Heat
22/10/2019 Duración: 02minThe Saharan silver ant feeds on other insects that have died on the hot sands, which it traverses at breakneck (for an ant) speeds.
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Some Mosquito Repellents Act like Invisibility Cloaks
21/10/2019 Duración: 02minSynthetic repellents such as DEET seem to mask the scent of our “human perfume”—making us less obvious targets for mosquitoes. Christopher Intagliata reports.
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Your Skull Shapes Your Hearing
17/10/2019 Duración: 03minThe resonant properties of your skull can amplify some frequencies and dampen others—and, in some cases, affect your hearing. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Tardigrade Protein Protects DNA from Chemical Attack
16/10/2019 Duración: 03minThe Dsup protein protects DNA under conditions that create caustic free radical chemicals. Learn more about your ad choices. Visit megaphone.fm/adchoices
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"Mars-quakes" Could Reveal How Mars Was Built
15/10/2019 Duración: 03minRumblings on the Red Planet act like x-rays, allowing scientists to probe the hidden interior of Mars. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices