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.
Gold 'three lions' pendant from the 13th-14th Century
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Feb. 26, 2026 at 11:42 a.m. PT
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