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科学美国人60秒 SSS Some Malaria Mosquitoes May Prefer Cows to Us

As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo

发表于:2018-12-24 / 阅读(120) / 评论(0)

2016年Scientific American(九)月

美国国家公共电台 NPR Dial M For Money: Can Mobile Banking Lift People Out Of Poverty?

ARI SHAPIRO, HOST: People in Kenya see this kind of commercial a lot. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED CHOIR: (Singing in foreign language). SHAPIRO: They're singing, things are now modern. The jingle is for a new type of banking servic

发表于:2019-01-16 / 阅读(134) / 评论(0)

2016年NPR美国国家公共电台12月

Italy lacks energy for economic revamp

ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the

发表于:2019-01-19 / 阅读(148) / 评论(0)

英语新闻

科学美国人60秒 SSS 2016-8-15

In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African

发表于:2019-01-20 / 阅读(125) / 评论(0)

2016年Scientific American(八)月

Tom Cruise 畅谈其新片《谍中谍3 》

访谈录,Tom Cruise is back in theatres in Mission Impossible 3, which opens today. Cruise, it seems, is always in the headlines, but he may be about the only one who doesn't read those tabloid stories. He rec

发表于:2019-01-31 / 阅读(103) / 评论(0)

访谈录

Nokia Siemens Networks to cut 17,000 jobs

HELSINKI, Nov.23 (Xinhua) -- Nokia Siemens Networks is planning to cut its workforce by 17,000 worldwide by the end of 2013, the company said in a statement on Wednesday in Espoo, Finland. The company said the measures are part of an extensive global

发表于:2019-02-03 / 阅读(110) / 评论(0)

英语新闻

万物简史第509期:丰富多彩的生命(5)

You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为，世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西

发表于:2019-02-21 / 阅读(139) / 评论(0)

万物简史

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a long con

acceleration coefficient