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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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Health Secretary Wes Streeting says resident doctors have received the largest pay rises of any public sector employees over the last three years, totalling nearly 30%. He insists the government will not offer any further increases.