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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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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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Courier Delivery Becomes Race Against Clock in 'Premium Rush' On any business day, crossing the street in Manhattan is likely to mean a close encounter with a bicycle courier. They speed from one one end of the city to the other with rush deliveries.
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The federal government sell out many bank private has been completed with shares in the company traded on the ASX for the first time. Finance minister * and many bank private managing director George Smily run the bill as shares hit the board at 2 do
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我们要学习两个新的习惯用语，都同自然界里的动物有关。第一个同百兽之王狮子有关：lion's share。这个习惯用语的第一部分是名词的所有格，就是名词加上撇号和s。 Lion's, 意思呢，是狮子的
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