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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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By Leta Hong Fincher Washington 27 March 2007 watch Iran Sanctions report The White House says it is disappointed by Iran's decision to limit cooperation with the United Nations nuclear agency. Russia and China are also urging Iran to comply with U.N
2007年VOA标准英语（三月）
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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