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Archive for the ‘origins of life’ Category

Robert Shapiro recounts in scientific American many criticisms of many popular models for the chemical origin in life. First he talks about the various theories of why many scientists reject DNA as the first genetic material and turn to believe RNA as the first form of life. and goes on to explain and criticises the various RNA world theory. Finally proposes to define life as a thermodynamic state , as an energy driven network of chemicals which can reduce entropy in a system, and most importantly, can grow, reproduce, and evolve under natural selection.

I hope the various arguments that highlights many problems with chemical origin of life scenarios and the Golf scenario analogy does not mislead to belive the watch maker theory.

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