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On early Earth, iron may have performed magnesium's RNA folding job

18:00 EDT 31 May 2012 | Science Codex

On the periodic table of the elements, iron and magnesium are far apart. But new evidence suggests that 3 billion years ago, iron did the chemical work now done by magnesium in helping RNA fold and function properly. There is considerable evidence th..

Original Article: On early Earth, iron may have performed magnesium's RNA folding job

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