dna

Earth Log 0011 The Short Story of How We Came About

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For readers who want to dig in, the detailed entries — #0003 through #0010 — remain in the corpus, with the references, the disputed claims, and the working uncertainties intact.

This is the short story of how you came to be. Not how you, personally — though that comes into it at the end. How any human being came to exist, as the kind of animal we are, on the kind of planet we live on, in the kind of universe that contains us.

Earth Log 0005 Inheritance and Change

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In the previous entry I described what humanity at this time understands about how life began on Earth — the chemistry that produced the first replicating molecules, and the moment at which ordinary matter first acquired the property of making copies of itself.

Earth Log 0004 The Origin of Life

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Where possible, I cite sources from which I made inferences so that future readers — should they recover the technical literature of this era — can trace specific claims back to their origins and assess them for themselves. References are listed, in numbered form, at the end of each entry.

How did living things arise on a planet that was, at first, not living?