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Were viruses around on Earth before living cells emerged? A microbiologist explains

  • Written by Kenneth Noll, Professor Emeritus of Microbiology, University of Connecticut
Were viruses around on Earth before living cells emerged? A microbiologist explainsMaybe the first life on Earth was part of an 'RNA world.'Artur Plawgo/Science Photo Library via Getty ImagesWere viruses around on Earth before living cells emerged? A microbiologist explains

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Were there already viruses on Earth when the first living cells appeared billions of...

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