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President Obama has just arrived in Afghanistan in what was an unannounced trip on this anniversary of the US raid that led to the death of al-Qaeda leader Osama bin Laden. Mr. Obama and his Afghanistan counterpart Hamid Karzai are expected to approv
2012年NPR美国国家公共电台5月
The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei
彭蒙惠英语
It's Such a Gas! Natural bodily functions are a popular theme in lowbrow humor the world over, especially among adolescent boys, and none more so than farting. A fart, which is the expulsion of gas fr
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RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B
CNN2010年(一)月
A Western Australian company has made a hot chip vending machine that deep fries frozen chips while you wait. 澳大利亚西部一家公司设计出一款热薯条自动贩卖机，在顾客等候期间能自动将冷冻薯条烤制成热腾腾的薯条
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Psychology 心理学 How dead is dead? 怎样死才算死？ Sometimes, those who have died seem more alive than those who have not 有时，死人似乎比活人更活。 Aug 20th 2011 | from the print edition IN GENERAL, people are pretty good at d
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