单词：Impatiens urticifolia
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By Amberin Zaman Ankara 06 July 2006 The head of the International Atomic Energy Agency says Turkey has a crucial role to play in persuading Iran to return to the negotiating table over its controversial nuclear program. Mohamed ElBaradei made his r
2006年VOA标准英语（七月）
We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan
Scientific American(十一)月
By Mike O'Sullivan Los Angeles 18 October 2006 Earlier this year, President Bush deployed 6,000 National Guard troops to the southern U.S. border to help the Border Patrol with security. This month, the president signed a bill that provides $1.2 bil
2006年VOA标准英语（十月）
By Martin Secrest Washington, D.C. 18 April 2007 There may have been advances in the development of a vaccine to protect people against the H5N1 avian influenza virus, or bird flu. Researchers say it could be possible to substantially increase global
2007年VOA标准英语（四月）
By Joe Bavier Abidjan 24 May 2006 Activists in Burkina Faso are marking the 16th anniversary of their campaign to end the practice of female genital mutilation. Though progress has been made, many young girls still undergo the dangerous operation, w
2006年VOA标准英语（五月）
Plants Share Light If Neighbor Is Related A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports. We humans are known to help out
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