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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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.
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Background Music Might Stifle Creativity
04/03/2019 Duração: 02minVolunteers who listened to music solved fewer word puzzles than others who worked in silence. Christopher Intagliata reports.
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Science News Briefs from around the Globe
03/03/2019 Duração: 03minA few brief reports about international science and technology from Greenland to Palau, including one on the discovery of a trove of mummified cats in Egypt. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Budding Yeast Produce Cannabis Compounds
28/02/2019 Duração: 02minBiologists have taken the genes that produce cannabinoids in weed and plugged them into yeast, making rare and novel compounds more accessible. Christopher Intagliata reports.
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Who Has "the Right Stuff" for Mars?
26/02/2019 Duração: 03minHumans traveling to Mars will be required to operate with a degree of autonomy human astronauts have never had, due to communication delays. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Grandma's Influence Is Good for Grandkids
25/02/2019 Duração: 02minGrandmothers can enhance the survival of grandchildren. That is, unless grandma’s too old or lives too far away. Karen Hopkin reports.
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Should Robots Have a License to Kill?
23/02/2019 Duração: 03minArtificial intelligence experts, ethicists and diplomats debate autonomous weapons. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Warming Climate Implies More Flies—and Disease
20/02/2019 Duração: 02minThe incidence of foodborne illness could jump in a warming world, due to an increase in housefly activity. Christopher Intagliata reports.
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Light-Skin Variant Arose in Asia Independent of Europe
19/02/2019 Duração: 02minA new genetic study of Latin Americans provides evidence that gene variants for lighter skin color came about in Asia as well as in Europe. Christopher Intagliata reports.
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Teach Science Process over Findings
18/02/2019 Duração: 03minSeismologist and policy advisor Lucy Jones says science education needs to teach how science works more than just what it finds out. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Human Diet Drugs Kill Mosquitoes' Appetite, Too
16/02/2019 Duração: 03minWhen researchers fed mosquitoes a drug used to treat people for obesity, the insects were less interested in hunting for their next human meal ticket. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Grazing Deer Alter Forest Acoustics
15/02/2019 Duração: 03minDeer populations have exploded in North American woodlands, changing forest ecology—and how sounds, like birdsong, travel through the trees. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Elephant Weight Cycles with New Teeth
14/02/2019 Duração: 04minElephants have six sets of teeth over their lives, sometimes two sets at once. At those times, they can extract more nutrition from food and put on weight. Learn more about your ad choices. Visit megaphone.fm/adchoices