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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Even without Hands Honeybees Show Handedness
26/11/2017 Duração: 02minAbout half the honeybees in a test exhibited no sidedness, but the other half was split 50–50 between righties and lefties—perhaps to navigate obstacles more efficiently.
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Humpback Whale Flippers Do More Than Maneuver
25/11/2017 Duração: 03minResearchers attached cameras to humpback whales and found that they flap their flippers to help power forward swimming. Learn more about your ad choices. Visit megaphone.fm/adchoices
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A New Recipe for Counting Cranberries
22/11/2017 Duração: 01minEstimating cranberry harvests involves tedious hand-counting. But microwave analysis could change all that. Christopher Intagliata reports.
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How Fit Is Bitcoin?
21/11/2017 Duração: 03minA new analysis treats bitcoins and other cryptocurrencies as species in an evolutionary model—and finds bitcoin has no selective advantage. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Salmon Sex Changes Entire Landscape
20/11/2017 Duração: 03minSalmon excavate streambed holes in which to lay eggs, setting off a chain of events that has surprisingly large geographical effects. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Ancient 1 Percenters Were Beast-Based
17/11/2017 Duração: 02minNew World societies long ago likely had less income inequality than those in the Old World, and the difference might have been an oxen gap. Christopher Intagliata reports.
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Feathers Help This Bird Sound the Alarm
16/11/2017 Duração: 02minThe crested pigeon, found in Australia, has a modified wing feather that helps produce an alarm signal sound to warn other birds when there's trouble.
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Put Space Cat on a Pedestal
15/11/2017 Duração: 02minA campaign calls for the creation of a statue to recognize Félicette, the first cat to be sent into space.
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Polluted Water Whale Invents New Feeding Strategy
13/11/2017 Duração: 03minThe Bryde's whale has come up with a passive but more efficient feeding strategy in the hypoxic waters of the Gulf of Thailand. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Insect Brain System Knows What You Want
10/11/2017 Duração: 01minComputer scientists borrowed insights from the fruit fly brain to create a more accurate search algorithm. Christopher Intagliata reports.
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Sheep's Face-Reading Skills Stand Out from the Flock
08/11/2017 Duração: 02minWith some training, sheep were able to select a celebrity's face over that of a stranger they'd never seen. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Nearby Exoplanets Invigorate the Search for E.T.
07/11/2017 Duração: 02minSETI pioneer Jill Tarter and Berkeley researcher Dan Werthimer talk about how the discovery of nearby exoplanets is inspiring new efforts to gain info about these galactic neighbors.
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Bison Comeback Story Has a Bronx Accent
04/11/2017 Duração: 03minOn National Bison Day, a look at the role the Bronx played in reestablishing herds of bison on the American plains. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Mammoth Remains Seem Mostly Male
03/11/2017 Duração: 02minIn a sample of 98 woolly mammoth remains, researchers found that 70 percent were male—which suggests males were more likely to die accidentally. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Physics Phenomenon Reveals a Pyramid's Mystery
02/11/2017 Duração: 01minScientists used muons, a by-product of cosmic rays, to image the interior of the Great Pyramid—and found a previously unknown space inside. Christopher Intagliata reports.
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A Moth with a Potent Cocktail of Poison
01/11/2017 Duração: 02minThe wood tiger moth is the first species known in which fluids from various parts of the moth’s body each target a different type of predator. Jason Goldman reports.
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Drought News Might Help Cut Water Waste
27/10/2017 Duração: 03minAs news coverage of California's most recent drought intensified, water use trends went down—suggesting news might inspire consumers to conserve. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Smog Casts a Shadow on China's Solar Farms
25/10/2017 Duração: 02minThe wintertime smog in China's northeastern provinces is so severe it blocks more than 20 percent of sunlight from reaching the region's solar panels. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Dogs Bow to Wolves as Cooperators
24/10/2017 Duração: 04minWolves appear to have better cooperation skills than dogs—unless the pups partner up with humans. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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California Gun Injuries Spike after Nevada Gun Shows
23/10/2017 Duração: 01minFirearm deaths and injuries went up in California communities after gun shows in neighboring Nevada—but not after more strictly regulated California gun shows. Christopher Intagliata reports.