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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Squeezed Potassium Atoms Straddle Liquid and Solid
12/04/2019 Duração: 02minAt extreme pressures, potassium atoms can be both liquid and solid at the same time, a phase of matter known as "chain melt." Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Urban Coyote Evolution Favors the Bold
11/04/2019 Duração: 03minCoyotes become fearless around people in just a few generations—which isn’t good for their longterm co-existence with humans in cities. Jason G. Goldman reports.
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Computers Turn an Ear on New York City
10/04/2019 Duração: 02minNYU’s “Sounds of New York City” project listens to the city—and then, with the help of citizen scientists, teaches machines to decode the soundscape. Jim Daley reports.
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Whitening Strips Alter Proteins in Teeth
09/04/2019 Duração: 01minHydrogen peroxide in whitening treatments penetrates enamel and dentin, and alters tooth proteins. Christopher Intagliata reports.
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Infrared Light Offers a Cooler Way to Defrost
08/04/2019 Duração: 02minLight tuned to a specific frequency warms ice more than water—which could come in handy for defrosting delicate biological samples. Adam Levy reports.
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Spider Monkeys Optimize Jungle Acoustics
04/04/2019 Duração: 01minThe monkeys lower the pitch of their "whinnies" when they're far from the rest of their group, which might help the calls travel further through jungle foliage. Christopher Intagliata reports.
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Tennessee Whiskey Relies on Missing Ingredients
02/04/2019 Duração: 03minFood chemists precisely measured how charcoal filtration contributes to Tennessee whiskey's smoother flavor. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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There's a Word for Today
01/04/2019 Duração: 03minEnglish lacks some words that other languages pack with meaning. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Bumblebee Queens Prefer Layovers to Nonstop Flights
28/03/2019 Duração: 03minScientists tracked bumblebee queens with radar when they emerged from hibernation and found the bees take only brief flights en route to a new nest. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Scenic City Sights Linked to Higher Happiness
26/03/2019 Duração: 02minTracking the location and mood of 15,000 people, researchers found that scenic beauty was linked to happiness—including near urban sights like bridges and buildings. Christopher Intagliata reports.
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Tech's Brain Effect: It's Complicated
25/03/2019 Duração: 03minWe don't yet know what the immersion in technology does to our brains, but one neuroscientist says the answer is likely to be that there's good, there's bad, and it's complex. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Daylight Brings Toxic Beetles Together for Safety
22/03/2019 Duração: 02minDuring daylight hours, hundreds of bombardier beetles of multiple species will congregate together to more effectively ward off any predators not afraid of a lone beetle's toxic spray.
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Solar Jets Cause Standing Waves in Earth's Magnetic Field
19/03/2019 Duração: 02minWhen jets of charged particles from the sun hit our magnetosphere, some of the ensuing ripples travel toward the northern and southern poles and get reflected back. The resulting interference allows standing waves to form, like on a drumhead.
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Sing Solo for Higher Fidelity
18/03/2019 Duração: 02minBy tracking duetting choir singers, researchers found that when an individual singer's pitch drifts off tune their partner’s tend to too. Christopher Intagliata reports.
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Edible Insect Breeding Led to Larger but Not Necessarily Better Larvae
14/03/2019 Duração: 02minResearchers aiming to lower the cost of mealworms were able to double the worms' size, but the larger larvae had fewer eggs and weaker offspring. Christopher Intagliata reports.
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Busting Earth-Bound Asteroids a Bigger Job Than We Thought
12/03/2019 Duração: 02minA new model suggests smashing killer space rocks with insufficient force could let gravity pull the pieces back together. Christopher Intagliata reports.
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Weekday–Weekend Sleep Imbalance Bad for Blood Sugar Regulation
11/03/2019 Duração: 04minWeekday sleep deprivation with weekend make-up sleeping seems to be worse for blood sugar control than even chronic sleep deprivation alone. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Warm-Blooded Animals Lost Ability to Heal the Heart
07/03/2019 Duração: 04minThyroid hormone, which helps warm-blooded animals regulate body temperature, also appears to put a halt on heart regeneration. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Animal Migrations Track with Wikipedia Searches
06/03/2019 Duração: 03minBy analyzing nearly 2.5 billion Wikipedia page views, researchers found species searches reflect seasonal animal migrations and plant blooming. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Baseball Commish Talks Big Data
05/03/2019 Duração: 02minAt a sports technology conference, baseball commissioner Rob Manfred addressed issues including an automated strike zone and advanced analytics.