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Was the secret spice in primal gene soup a thickener?

(Georgia Institute of Technology) A little goo will do to get RNA and DNA to progress toward self-replication in a solution. Could some abundant ingredient have helped the precursors of genes become life molecules? Another indicator that little drama may have been necessary in chemical evolution.
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The original recipe for gene soup may have been simple—rain, a jumble of common molecules, warm sunshine, and nighttime cooling. Then add a pinch of thickener.

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