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.
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2026-02-28 00:00:00:0本报记者 吴月辉 出台相关政策措施2200余项，在优化国家发展战略布局等方面取得新成效
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