This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

发表于:2018-12-02 / 阅读(67) / 评论(0) 分类 Scientific American(八)月

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By Lisa Bryant San Sebastian, Spain 12 May 2006 With the recent declaration of a permanent cease-fire by the Basque terrorist group ETA, many believe Europe's regional independence struggles are dying

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By Raymond Thibodeaux Colombo 18 March 2008 Sri Lanka's Sinhalese-dominated government recently launched a program to spur thousands of its public servants to learn the Tamil language. It is seen as a bold step to ease tension between the country's S

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Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

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ATHENS, June 16 (Xinhua) -- Greek authorities battled several wildfires burning near Athens and southern Greece on Saturday, on the eve of critical general elections. Two fire-fighters were slightly injured while trying to extinguish blazes at the se

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