单词：mercury barometers
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The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a
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Using science as a guide, we attempt to recreate the final moments of the dinosaurs. 我们以科学为指引，试图重建恐龙的最后时刻。 The first effect was the impact itself. 第一个效果是撞击本身。 So when a 10-kilometer diam
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Study Shows Climate Change Is Affecting Bird Migration 研究表明气候变化影响鸟类迁徙 Recently, a small group of birdwatchers spent three weeks around Mount Vernon, the home of the first president of the United States, George Washington.
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SCIENCE IN THE NEWS - Mercury in Fish / Life on Land / The Goldman Environmental Prize By Broadcast: Tuesday, May 11, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm B
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By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-
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How to Stop Comparing Yourself to Other People Comparing yourself to other people has got to be one of the easiest things for any person to do. We cant help it. People feel the need to do it in order to understand where they stand in societys hierarc
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