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SSS 2011-03-29

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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On a restricted site in northern Wisconsin, the hissing you hear is helping scientists see the future. Inside towering rings of pipes, aspen, birch, and sugar maples feed on measured diets of greenhouse gases. Our studies were looking at what forest

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CNN 2010-01-15

RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B

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A: You look a bit under the weather. B: I am not feeling all the great. I think I have that crud that is going around. A: I know that its going around the dorms. B: My boyfriend hasnt been feeling so well. Maybe he passed it on to me. A: I have some

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The finger which is wet with alcohol will be dry before you can count ten, while the finger which is wet with water may take a minute or more to dry. 在你数到十之前, 那根沾有酒精的手指就会变得干燥, 而另外一根沾有水的手指

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By Mil Arcega Washington, DC 06 April 2006 watch Global Warming report The state of California could become the first to impose emission caps on businesses to limit greenhouse gases. California Govern

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I wasn't aware of that policy 我不知道那项规定。 be aware of.. 意识到... He was not aware of the mistake he had made. 他没有意识到自己犯的错误。 policy 政策;策略 foreign policy 外交政策 The company has adopted a stric

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foundation 粉底 pressed powder 粉饼 loose powder 散粉 brow powder 眉粉 brow pencil 眉笔 brow brush 眉刷 liquid eye liner, eye liner 眼线液笔／眼线笔 eye shadow 眼影 mascara 睫毛膏 blush 腮红 lipstick 口红 SPF = Sun Protec