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A knotty problem...

All the evidence gathered thus far has revealed a great deal about the origin of life, but there is still much to learn. Because of the enormous length of time and the tremendous change that has occurred since then, much of the evidence relevant to origins has been lost and we may never know certain details. Nevertheless, many of the gaps in our knowledge (gaps that seemed unbridgeable just 20 years ago) have been filled in recent years, and continuing research and new technologies hold the promise of more insights. As Ellington puts it, "Origins is a huge knotty problem — but that doesn't mean it's an insoluble one."

The Origins Problem: knotty, but not insoluble.

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