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This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece
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The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into
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By Cathy Majtenyi Nairobi 18 April 2007 A network of aid groups has launched a report Wednesday recommending, among other things, that the U.N. Security Council and the Sudanese government make the protection of children a top priority in peace effor
2007年VOA标准英语（四月）
Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur
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By Ron Corben Bangkok 12 February 2007 Thailand and Malaysia are to increase cross-border cooperation as part of efforts to end more than three years of separatist violence in the Southern-most provinces. As Ron Corben reports from Bangkok, the agre
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Over the lights of sunset and vine We're floating away From the fortune and fame And your lips are mine They're raspberry wine Your body's a map I will follow into the sky Cause what you got Is all that I want It's all that I want And still that's no
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