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By Art Chimes San Francisco 16 February 2007 One of the world's largest annual science conferences has opened in San Francisco. VOA's Art Chimes reports that this year's theme links science and a sustainable world. The head of the group sponsoring th
2007年VOA标准英语（二月）
By Kane Farabaugh Concord, New Hampshire 12 June 2007 The U.S. Constitution does not outline how a political party can nominate a candidate for president. The process simply has evolved over time, and now both major parties -- the Democratic and Repu
2007年VOA标准英语（六月）
By Joe Bavier Yamoussoukro 01 March 2006 An unprecedented summit of the principle parties in Ivory Coast's more than three-year-old civil war has ended negotiations after just one day. But, all sides
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By Dan Robinson Washington 17 November 2006 House Republican Minority Leader John Boehner of Ohio arrives at US Capitol, Thursday, Nov. 16, 2006 Sounding a theme of unity, Republican leaders in Congress are vowing a comeback in the wake of major ele
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Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani
VOA标准英语2011年(四月)
Washington Demonstrators Seek to Continue Protest Anti-war and anti-Wall Street demonstrations are springing up in major cities across the United States, nearly a month after they started in the heart of New York's financial district. At the protest
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