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The '''Miller-Urey experiment''' was the first attempt to reverse-engineer the conditions in [[earth]]'s [[atmosphere]] that produced [[abiogenesis]] – the production of life from non-life. By recent analysis, the experiment did produce as rich a mixture of [[amino acid]]s as life would require. But it produced those acids in a racemic mixture, and even secular scientists are not willing to accept this as the definitive proof of how life began.

The '''Miller-Urey experiment''' was the first attempt to reverse-engineer the conditions in [[earth]]'s [[atmosphere]] that produced [[abiogenesis]] – the production of life from non-life. By recent analysis, the experiment did produce quite a few [[amino acid]]s, but not many of the ones used for making proteins in a cell or in any significant chemically usable quantity. Furthermore, it produced those acids in a racemic mixture (left and right handed amino acids). Life uses specific chirality (left handed amino acids only). Even secular scientists are not willing to accept this as the definitive proof of how life began.

==The 1953 experiment==

==The 1953 experiment==