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所属栏目：科技之光
所属频道：CCTV-10科教
年份：2011
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简介：英国布里斯托尔大学的科学家在德国西部发现了一种比人还高的蝎子化石，有2.4米高，不过它们在3.9亿年前就已灭绝。它们曾是动物王国之王，位于食物链的最上层，吃鱼和三叶虫，甚至互相残杀。如今，蝎子已经进化的小巧玲珑，靠穴居生存，但蝎子还是令人害怕，因为它会释放毒液，喜欢夜间活动，是著名的影子杀手。收起
《科技之光》 20111213 影子杀手（上）
《科技之光》 20111214 影子杀手（下）
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