Perhaps it’s the biggest question science has left to answer, how did life begin? Now, molecular biologists in Cambridge university have discovered tiny molecules of RNA which they say might provide some clues. Science journalist and author Philip Ball explains what we know and whether we’ll ever find the origins of life on earth.
The crowd of twentysomethings may not have impressed grizzled veterans but a near-record level of attendance at Friday Night Live! made a powerful impression，推荐阅读safew官方下载获取更多信息
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