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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Alaskan Beluga Whales Ace Hearing Exam
21/06/2018 Duração: 01minResearchers tested the hearing of beluga whales in an Alaskan bay and found that they seem to have suffered little hearing loss due to ocean noise. Christopher Intagliata reports.
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Fat–Carb Combo Is a Potent One–Two Punch
19/06/2018 Duração: 04minFoods high in both carbs and fats tickle the brain’s reward circuits more so than snacks that showcase just one or the other. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Jupiter Crackles with Polar Lightning
17/06/2018 Duração: 02minJuno spacecraft data suggest lightning on Jupiter is much more common than we thought—but it congregates near the poles, not the equator as on Earth. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Coral Reefs Keep Costly Waves at Bay
15/06/2018 Duração: 01minA new analysis found the flood protection benefits of coral reefs save the global economy $4 billion dollars a year. Christopher Intagliata reports.
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Hippo Dung Fouls Up Freshwater Fisheries
14/06/2018 Duração: 02minHippo poop is piling up in Tanzania’s freshwater fisheries—which is bad news for biodiversity, and deleterious for the dinner plate. Jason G. Goldman reports.
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A Litmus Test for Bad Breath
13/06/2018 Duração: 02minResearchers engineered a portable device that detects even the tiniest trace of hydrogen sulfide—one of the primary offenders in bad breath. Karen Hopkin reports.
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Prez (of AMA) Issues Call to Arms-Science
11/06/2018 Duração: 03minAt the AMA annual meeting the organization's president petitioned for an evidence-based, science-driven analysis of gun violence and solutions.
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Powder Pulls Drinking Water from Desert Air
08/06/2018 Duração: 01minA structure known as a metal organic framework traps water vapor by night, then releases it when heated the next day. Christopher Intagliata reports.
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Ancient Clan War Explains Genetic Diversity Drop
06/06/2018 Duração: 02minSome 5,000 to 7,000 years ago, the diversity of Y chromosomes plummeted. A new analysis suggests clan warfare may have been the cause. Christopher Intagliata reports.
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Saying "This May Hurt" May Make It Worse
05/06/2018 Duração: 02minWarning a child that something, like a vaccine shot, will hurt can actually increase their perception of the pain.
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Mongooses Gift Grooming for Guard Duty
01/06/2018 Duração: 02minHumans and other primates often reciprocate good deeds. A new study suggests a nonprimate, the dwarf mongoose, does so, too, even after a delay. Christopher Intagliata reports.
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Some Trees Beat Heat with Sweat
31/05/2018 Duração: 03minDuring extreme heat waves, a species of eucalyptus copes by releasing water and taking advantage of evaporative cooling. Other trees may do the same.
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Computers Go Head-to-Head with Humans on Face Recognition
30/05/2018 Duração: 01minThe best facial-recognition algorithms are now as good as the best forensic examiners are. But the best results come by combining human and computer skills. Christopher Intagliata reports.
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Pinnipeds Don't Appreciate Biped Disturbance
29/05/2018 Duração: 02minSea lions and fur seals in Uruguay have become a tourist attraction—but the animals have become less, not more, accepting of humans. Jason G. Goldman reports.
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Computers Predict Pop Chart Success
24/05/2018 Duração: 02minAn evolutionary analysis of pop tunes revealed that over the past 30 years songs have grown sadder—but the big hits buck that trend. Christopher Intagliata reports.
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Doc's YA Novel Treats Life-and-Death Issues
23/05/2018 Duração: 01minPediatric cardiologist Ismée Williams discusses her young adult novel, Water in May, about a teenage girl whose newborn has a life-threatening heart condition.
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Google's AI Assistant Does Your Talk Tasks
17/05/2018 Duração: 02minThe new Google AI voice assistant, called Duplex, highlights the intricacies of carrying out a mundane human-style conversation, as it keeps you off the phone.
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Great Ape Makes Good Doc
16/05/2018 Duração: 02minOrangutans were observed to use plant extracts to treat their own pain.
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Stool-Pigeon Poop Reveals Bird-Racing Fouls
15/05/2018 Duração: 03minRacing pigeons is big business—and doping is common. Now scientists have devised a way to detect doping in the avian athletes. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Radar Scans Detail North Korean Nukes
14/05/2018 Duração: 01minScientists have added radar info to seismic data, isotope measurements and optical imagery to study covert nuclear tests. Christopher Intagliata reports.