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Don: Time to go again to the A Moment of Science mailbag. A listener writes: Dear Don Yal, I read somewhere that there's more oil in the Western part of the United States and Canada than in Saudi Arabia. Is that true? Yal: Great question! And the ans
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By Brian Padden Irbil, Iraq 27 September 2007 Recent outbreaks of cholera in parts of Iraq highlight the need for basic services like clean water.Development projects in much of the country have been delayed because of the deteriorating security situ
2007年VOA标准英语（九月）
Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding
VOA标准英语2011年(八月)
By Carol Pearson Washington 02 October 2007 There is an interesting study out that says acupuncture treatment appears to be more effective than conventional therapy in treating lower back pain. And it may be more effective than conventional treatment
2007年VOA常速英语（十月）
Ecolab Inc., an American global provider of clean energy technologies and services, has made great progress on helping industries in China to produce their goods with less water consumption. Those industries include dairy plants, food industries, ste
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You should spend about 40 minutes on this task. Present a written argument or case to an educated non-specialist audience on the following topic. A number of different medical traditions are now widely known and used: Western medicine (using drugs an
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