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Why DNA in ancient ice might tell us how life on earth DIDN'T start! Learn from an audio lecture that if bacteria were to have arrived on Earth riding on a comet or asteroid, the DNA of the organisms would likely have been too corrupted by damage from cosmic rays during their multi-million year voyage to be viable. [11:03]
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- Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
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