单词：phenylthio-hydantoin
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Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
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This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
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This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
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Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
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By Cathy Majtenyi Uganda 26 June 2007 The Ugandan government has taken a progressive approach to helping the disabled by passing legislation that recognizes the rights of the disabled, providing representation for them in Parliament and specifying me
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By Cathy Majtenyi Nairobi 06 April 2006 Uganda's Supreme Court has rejected an attempt by opposition politician Kizza Besigye to challenge the results of the country's recent elections, won by incumbe
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