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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Understanding all the genes and molecules involved in human disease is quite a challenge. Thats why scientists study model organisms, like flies and worm
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By Margaret Besheer Irbil, Iraq 18 July 2007 The U.S. military says it has captured the top Iraqi member of al-Qaida in Iraq. Officials say Khaled al-Mashhadani was an intermediary among top al-Qaida leaders including Osama bin Laden. From Iraq, VOA'
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1. Toyota has announced it will recall more than 400,000 Prius and other hybrid vehicles around the globe to fix brake problems. This recall is the latest in a string of embarrassing safety problems at the world's largest automaker. This recall invol
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The Shanghai Cooperation Organization art festival has opened in Beijing. The festival, hosted by China's Ministry of Culture and Tourism, opened together with a folk music concert at Beijing Poly Theater to celebrate the organization's upcoming summ
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market leader 市场主要股份；市场领导者 market maker 市场作价者；市场
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