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[科学美国人技术系列] 60秒科学:Accord of Sorts&
Accord of Sorts in CopenhagenWorking late into the night, negotiators from the world's nations agreed in principle to attempt to limit the global postindustrial temperature rise to 2 degrees C...2009-12-30 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Grain Use Well&n
Grain Use Well before Modern Agriculture A study in the journal Science finds evidence that early modern humans were making use of grains, which required significant processing before eating, 100,0002009-12-29 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Smaller Fingers
Smaller Fingers Mean More Sensitive FingertipsA study in the Journal of Neuroscience finds that people with smaller fingers have more sensitive fingertips, probably due to a higher concentration of t2009-12-28 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Mercury Fillings 
Mercury Fillings Seem Safer over TimeA study in the journal Chemical Research in Toxicology finds that mercury on the surface of dental fillings slowly turns to an inert sulfide compound, which shoul2009-12-25 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:If Time Flew,&nb
If Time Flew, You Had FunA study in the journal Psychological Science finds that if people believe that time has flown, they think they had more fun. Karen Hopkin reports As we all know, time flies w2009-12-22 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Gene for Disease
Gene for Disease Has Healthy Flip SideA study in the journal Science finds that the gene for anemia-causing G6PD deficiency also protects against malaria, thereby keeping the gene active in populatio2009-12-21 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Call Me Melville
Call Me Melville, Based on New Word UseA study in the New Journal of Physics finds that writers leave a regular, distinct pattern of how frequently they use new words. Cynthia Graber reports Thieves2009-12-18 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Gene Stops Ovari
Gene Stops Ovaries from TestifyingA mouse study in the journal Cell finds that a gene in females must remain active throughout her life to keep her ovaries from turning into testes. Karen Hopkin repo2009-12-15 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Stradivari's Viol
Stradivari's Violin Secret? His TalentA study in the journal Angewandte Chemie that looked at the varnish used in Stradivarius instruments found nothing unusual, leading the researchers to con...2009-12-14 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Caffeine Merely
Caffeine Merely Masks Alcohol's EffectAn animal study in the journal Behavioral Neuroscience finds that coffee after alcohol consumption might merely make the drinker feel more capable, which ...2009-12-10 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Newspapers Worldwide&
Newspapers Worldwide Call for Climate Change ActionOn the first day of the Copenhagen climate conference, 56 newspapers publishing in 20 languages in 45 countries publish an unprecedented joint edito2009-12-09 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Backyard Feeders 
Backyard Feeders Driving Bird EvolutionA study in the journal Current Biology finds that backyard bird feeders in Britain are responsible for splitting central European blackcap warblers into two dis2009-12-08 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Black Hole Quasa
Black Hole Quasar Building Galaxy A study in the journal Astronomy & Astrophysics finds that a distant quasar, powered by a black hole, is building a galaxy that will eventually surround the bl...2009-12-07 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:Fitness Linked t
Fitness Linked to SmartnessA study in the Proceedings of the National Academy of Sciences finds that men's cardiovascular fitness at the age of 18 is a marker for later academic achievement. K...2009-12-04 编辑:echo 标签: 我来听写
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[科学美国人技术系列] 60秒科学:DNA Testing to&n
DNA Testing to Help Sharks Keep FinsIn a study in the journal Endangered Species Research, shark fins on sale were shown to be from a specific region in which shark populations have collapsed, eviden2009-12-03 编辑:echo 标签: 我来听写
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VOA慢速(翻译+字幕+讲解):美国南部最贫
南方各州是美国最贫穷的地方,而富豪大多居住在东北部和大西洋中部地区。 -
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VOA慢速(翻译+字幕+讲解):十二国达成跨
周一,美国,日本和其他十个国家签署了庞大的贸易协议。该协议将降低贸易壁垒 - 3
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