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.
BBC事實查核（BBC Verify） 對這些說法進行了核實。
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2026-02-27 00:00:00:03014246510http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142465.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142465.html11921 本版责编：董丝雨
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