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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Big Cities Have Fewer Tweeters Per Capita
26/02/2018 Duração: 01minBut those who do tweet in big cities are more prolific—tweeting more often, on average, than their small-town counterparts. Christopher Intagliata reports.
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How Baby Birds Learn to Duet
23/02/2018 Duração: 04minRecordings of songbird duets reveal baby birds learn conversational turn-taking like we do: gradually, and from adults. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Mosquitoes Learn the Smell of Danger
22/02/2018 Duração: 02minThe bloodsuckers lose their appetite for attractive scents when they associate those aromas with a likelihood of being swatted. Karen Hopkin reports.
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Needed: Info on Biodiversity Change over Time
20/02/2018 Duração: 03minUnderstanding an ecosystem means following changes in the abundances and identities of the species present as the clock ticks. The BioTIME database should help. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Undersea Recordings Reveal a Whale's Tale
19/02/2018 Duração: 02minBy eavesdropping on the calls of blue whales, researchers hope to get a more accurate picture of the massive mammals' distribution and abundance. Christopher Intagliata reports.
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Seabird Feathers Reveal Less-Resilient Ocean
15/02/2018 Duração: 03minBy analyzing 130 years of seabird feathers, researchers determined that food webs are losing complexity in the Pacific—meaning less-resilient ecosystems. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Beetle Liberation Due to Regurgitation
13/02/2018 Duração: 02minThe bombardier beetle can spray its hot brew of toxic chemicals even after bring swallowed, to force a predator into vomiting it back out.
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Old Trees Are Ecosystem Gold
12/02/2018 Duração: 01minDavid Lindenmayer of the Australian National University College of Science in Canberra says that older trees play outsize roles in maintaining landscapes and ecosystems.
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Boat Noise Means Fish Can't Learn Their Lessons
11/02/2018 Duração: 03minDamselfish had trouble learning to avoid predators, when that lesson was accompanied by a soundtrack of buzzing boat engines. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Woodpeckers Drum to Their Own Tunes
07/02/2018 Duração: 02minThe length and spacing of woodpecker drum rolls varies enough to tell woodpeckers apart—which could be useful to conservation biologists. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Homebodies Economize on Energy Use
06/02/2018 Duração: 04minToday’s work-from-home, on-demand culture means more days at home—and translates into greater energy savings, too. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Killer Whale Culture Revealed by Mimicking Us
02/02/2018 Duração: 01minOrcas can imitate calls from other whales and even human speech—suggesting they can transmit cultural practices, such as unique dialects. Christopher Intagliata reports.
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Holiday Cheer Leads to Birth-Rate Spike
01/02/2018 Duração: 03minDuring feel-good holiday periods like Christmas and Eid-al-Fitr, romance strikes—leading to a boom in births nine months later. Karen Hopkin reports.
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Ticks on Uptick Where Big Game Declines
31/01/2018 Duração: 03minAreas of Kenya without large wildlife saw tick populations rise as much as 370 percent—meaning more danger to humans. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Wildfires Spike Wine with Smoky Notes
30/01/2018 Duração: 03minChemists are working on ways for wildfire-affected winemakers to avoid creating smoky wines. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Lion Conservation Challenges Giraffe Protection
26/01/2018 Duração: 02minHaving lions and giraffes together in protected areas means far lower survival rates for juvenile giraffes. Jason Goldman reports.
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Nobelist Crafts Light-Switchable Antibiotics
25/01/2018 Duração: 01minDrugs modified by chemistry Nobel laureate Ben Feringa can be turned on and off by light, which could help keep bacteria from developing antibiotic resistance.
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Catching Flu Also Boosts Heart Risk
24/01/2018 Duração: 02minResearchers found a sixfold increase in heart attacks in patients in the week following a flu. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Worldwide Effort Says Together Science Can
23/01/2018 Duração: 02minJeremy Farrar, director of the Wellcome Trust, talked about worldwide scientific collaboration today at the World Economic Forum. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Canada Geese Taking a Winter Staycation
22/01/2018 Duração: 03minThe geese are wintering farther and farther north, in urban areas like Chicago—which may help them avoid hunters. Emily Schwing reports. Learn more about your ad choices. Visit megaphone.fm/adchoices