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Medicine Science

Prions Evolve Despite Having No DNA 214

An anonymous reader writes "Scientists from the Scripps Research Institute have shown for the first time that 'lifeless' organic substances with no genetic material — prions similar to those believed responsible for Mad Cow disease and similar, rare conditions in humans — are capable of evolving just like higher forms of life. The discovery could reshape the definition of life and have revolutionary impacts on how certain diseases are treated."
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Prions Evolve Despite Having No DNA

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I put up my thumb... and it blotted out the planet Earth. -- Neil Armstrong

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