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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Extreme Storms Are Extreme Eroders
05/04/2017 Duración: 02minThe storm that swept across the Rockies in September 2013 unleashed huge amounts of sediment downstream, doing the work of a century of erosion. Julia Rosen reports.
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Spiders Gobble Gargantuan Numbers of Tiny Prey
03/04/2017 Duración: 02minThe low-end estimate for how much the world's spiders eat is some 400 million tons of mostly insects and springtails.
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Your Cat Thinks You're Cool
29/03/2017 Duración: 02minA study of house cats and shelter cats found that the felines actually tended to choose human company over treats or toys.
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Exoplanets Make Life Conversation Livelier
25/03/2017 Duración: 02minAstronomer Caleb Scharf weighs what ever more exoplanets mean in the search for extraterrestrial life.
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Bring Bronx Zoo to Your Living Room
24/03/2017 Duración: 02minAnimal Planet's series The Zoo shows viewers the biological, veterinary and conservation science at a modern zoo. Learn more about your ad choices. Visit megaphone.fm/adchoices
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UV Rays Strip Small Galaxies of Star Stuff
22/03/2017 Duración: 02minResearchers measured the intensity of the universe's ultraviolet background radiation, and say it may be strong enough to strip small galaxies of star-forming gas. Christopher Intagliata reports.
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Aggressed-Upon Monkeys Take Revenge on Aggressor's Cronies
21/03/2017 Duración: 02minJapanese macaques at the receiving end of aggression tend to then take it out on a close associate or family member of the original aggressor.
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Chaotic Orbits Could Cause Catastrophic Collision
20/03/2017 Duración: 03minResearchers used ancient climate cycles to confirm the solar system’s chaotic planetary orbits. An Earth–Mars collision is one distant outcome. Julia Rosen reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Pulling the String on Yo-Yo Weight Gain
18/03/2017 Duración: 02minMice that lost weight and then gained back more than they lost maintained an obesity-type microbiome that affected biochemicals involved in either burning or adding fat--suggesting interventions.
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Poverty Shaves Years off Life
17/03/2017 Duración: 03minA meta-analysis found that being of low socioeconomic status was associated with almost as many years of lost life as was a sedentary lifestyle. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Pollinators Shape Plants to Their Preference
16/03/2017 Duración: 01minIn fewer than a dozen generations bumblebee-pollinated plants were coaxed to develop traits that made them even more pleasing to the bees. Christopher Intagliata reports.
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Low Biodiversity Brings Earlier Bloom
15/03/2017 Duración: 01minFor every two species lost in a grassland, the remaining flowers there bloomed a day earlier—on par with changes due to rising global temperatures. Christopher Intagliata reports.
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Early-Life Microbes Ward Off Asthma
14/03/2017 Duración: 03minExposure to specific microbes when an infant is less than a year old seems to have a protective effect against the child's eventual acquisition of asthma. Learn more about your ad choices. Visit megaphone.fm/adchoices
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(Probably Not a) Giant Alien Antenna
12/03/2017 Duración: 03minAstrophysicists propose that mysterious "fast radio bursts" could, in very speculative theory, be produced by an antenna twice the size of Earth. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Jupiter Moon to Be Searched for Life
10/03/2017 Duración: 02minIf anything's alive on the ice-covered ocean world of Europa, a future NASA mission hopes to find it.
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Teeth Hint at a Friendlier Neandertal
08/03/2017 Duración: 02minBy sequencing DNA in Neandertal dental plaque, scientists were able to find out about their diets—and their good relations with modern humans. Christopher Intagliata reports.
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Forensic Science: Trials with Errors
07/03/2017 Duración: 02minWhat appears to be accepted science in the courtroom may not be accepted science among scientists.
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How to Find Loooong Gravitational Waves
06/03/2017 Duración: 02minThe gravitational waves found last year were short compared with the monster waves that could be turned up by what's called Pulsar Timing Arrays.
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Biggest Rivers Are Overhead
03/03/2017 Duración: 01minAtmospheric rivers can carry the same amount of water vapor as 15 to 20 Mississippi Rivers—and deliver punishing winds, too. Christopher Intagliata reports.
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Last Woollies Had Mammoth Mutations
02/03/2017 Duración: 02minThe final holdout woolly mammoths had large numbers of harmful mutations—which would have given them satiny coats and a weakened sense of smell. Christopher Intagliata reports.