Inevitable Life?

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Inevitable Life? with Eric Smith and discussant David Krakauer. Perhaps the most fundamental question of biology is why life exists on earth at all. How - and more importantly why - did it emerge, and how has it managed to persist for almost four billion years in the face of constant shocks and perturbations? Many researchers have supposed that the emergence of life hinged on a sequence of improbable events, at the same time as they have taken for granted the ability of life on earth to persist indefinitely and to "freeze in" the consequences of early accidents. Smith argues that there is ample evidence for a different interpretation: the emergence of life was an inevitable outcome of geochemistry on the early earth, and the same forces responsible for emergence have continued to support the persistence of life ever since. Metabolism, in particular, preserves the oldest regularities of incipient life, and through these we can partly retrace the progression from the geological to the living world - Santa Fe Institute
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