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一个半世纪的科学探究至今仍未解决这个1 。它明确指出,薄层液体水对上方的坚冰,导致slipperiness 。流体的流动性使人们难以对步行,即使层是薄的。但没有consenus至于为何冰不同于大多数其他固体-有这样的层。
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Rats that eat high levels of a natural sugar known as fructose seem to age faster than other rats---and the same could be true for people who eat too much sweet junk food, Israeli researchers said Monda
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Scientists discovered that "junk DNA," the base pairs between known genes in the human genetic structure, play an important role. Several research teams have found that DNA between genes helps determine how
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《科普》欢迎作者在有关科学技术各个领域发展的动人故事投稿。您提交的简稿应包括大纲及你要如何完成你的稿件的阐述。最好能提供你以前作品的链接。我们会审阅每一份简稿,
and human initiative and inventiveness are such that even this wouldn't succeed.
从牛顿定律到爱因斯坦相对论阿基米德的报复(强烈推荐!文件小)J粒子的解谜人(强烈推荐!文件小)莎士比亚牛顿贝多芬(同上)统一之路(推荐)可怕的对称(同上,文件小
as defined by Webster’s Dictionary is “the average course or condition of the we
as defined by Webster’s Dictionary is “the average course or condition of the we
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