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As it ages, white paper turns distinctive of yellow, but why? To find out, scientists artificially aged modern paper to rebuild the changes on the molecular level, the researchers in the Journal physical review of letters, for 48 days, 3 unpleached p

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As it ages white paper turns a distinctive yellow. But why? To find out, scientists artificially aged modern paper to reveal the changes on the molecular level. The research is in the Journal Physical Review Letters. For 48 days, three unbleached pap

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