2015年《60秒科学(科学美国人)》听力音频打包下载2016-01-05
2014年60秒科学(科学美国人)英语听力音频打包下载2015-01-18
60秒科学(科学美国人)音频打包下载(至20120225)2012-03-05
科学美国人:Better Memory Begets Boredom2017-06-25
The better study participants scored in the memory test, the faster they got bored. Karen Hopkin reports.
科学美国人:Keep Rolling Luggage Upright with Physics2017-06-25
A team of physicists has revealed why rolling suitcases start rocking from wheel to wheelmdash;and how to avoid that frustrating phenomenon. Christopher Intagliata reports.
科学美国人:DNA Points to Multiple Migrations into the Americas2017-06-25
DNA analysis of skeletons found in the Pacific Northwest backs up traditional oral histories, and suggests there could have been more than one colonization of the Americas. Emily Schwing reports.
科学美国人:Wolves Need More Room to Roam2017-06-22
Ecologists say wolves should be allowed to roam beyond remote wilderness areasmdash;and that by scaring off smaller predators like coyotes and jackals, wolves might do a good service too. Emily Schwing reports.
科学美国人:Engineers Build Bendy Batteries for Wearables2017-06-21
Researchers built silverndash;zinc batteries that can bend and stretchmdash;meaning they could be more elegantly integrated into future wearable devices. Christopher Intagliata reports.
科学美国人:Rising Temps Lower Polar Bear Mercury Intake2017-06-20
As polar bears are forced onto land, they're feeding on animals with less mercurymdash;reducing their levels of the toxic pollutant. Christopher Intagliata reports.
科学美国人:Opioids Still Needed by Some Pain Patients2017-06-20
The quot;other victimsquot; of the opioid epidemic are pain patients who need the drugs but cannot now get them because of fears related to their use
科学美国人:Some Hotel Bed Bug Sightings May Be Bogus2017-06-20
Only a third of travelers could correctly identify a bed bugmdash;suggesting that some bug sightings in online reviews could be cases of mistaken identity. Christopher Intagliata reports.
科学美国人:Bacterially Boosted Mosquitoes Could Vex Viruses2017-06-20
Mosquitoes infected with Wolbachia bacteria are unable to transmit viruses to humansmdash;and could curb the spread of viral disease. Karen Hopkin reports.
科学美国人:Chromosomes Combat Counterfeit Caviar2017-06-20
Researchers found unique genetic variants that differentiate costly beluga caviar from cheaper fakes that rip off consumers. Christopher Intagliata reports
科学美国人:French Prez Invites Trumped Researchers2017-06-19
New French President Emmanual Macron reacted to the U.S. withdrawal from the Paris Climate Agreement by inviting disaffected U.S. researchers to make France quot;a second homelandquot;
科学美国人:Alaska Accelerates Indoor Agriculture2017-06-19
With 700 new greenhouses, Alaska is growing its own produce as deep into winter as the sun keeps rising
科学美国人:Former CDC Head Warns of Threats Biological and Political2017-06-19
Tom Frieden, head of the CDC from 2009 to 2017, told graduating medical students that we face challenges from pathogens, and from politicians.
科学美国人:Trees Beat Lawns for Water-Hungry L.A.2017-06-19
Evaporation from overwatered lawns cost the city of Los Angeles 70 billion gallons of wasted water a year. But the city's trees were much thriftier. Christopher Intagliata reports.
科学美国人:Fitness Bands Fail on Calorie Counts2017-06-19
Activity trackers accurately reckon heart ratemdash;but they're way off in estimates of energy expenditure. Christopher Intagliata reports.
科学美国人:New Concrete Recipes Could Cut Cracks2017-05-20
Recipes for concrete that incorporate byproducts from the coal and steel industries, like fly ash and slag, could reduce road-salt related cracking. Christopher Intagliata reports.
科学美国人:Bees Prefer Flowers That Proffer Nicotine2017-05-19
Bumblebees sought out flowers with nicotine in their nectar, and the drug appeared to enhance the bees' memories. Christopher Intagliata reports.
科学美国人:Field Study: Worms Leave 'Til No-Till2017-05-17
Earthworm numbers doubled in fields after farmers switched from conventional ploughing to no-till agriculture. Christopher Intagliata reports.
科学美国人:Why The Cross Put Chickens On A New Road2017-05-17
A religiously inspired change in the European diet about a thousand years ago led to the development of the modern domesticated chicken.
科学美国人:Large Impacts May Cause Volcanic Eruptions2017-05-17
Really big meteorite or asteroid strikes may cause melting and deep deformations that eventually lead to volcanic eruptions.
科学美国人:Field Study: Worms Leave 'Til No-Till2017-05-15
Earthworm numbers doubled in fields after farmers switched from conventional ploughing to no-till agriculture. Christopher Intagliata reports.
科学美国人:Field Study: Worms Leave 'Til No-Till2017-05-14
Earthworm numbers doubled in fields after farmers switched from conventional ploughing to no-till agriculture. Christopher Intagliata reports.
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