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January 17, 2011



The world does not revolve around me, but everything I know about it does.

Am I unique? Does it matter? Only to me (and my mother, apparently).

I like Zimmer's take most; but I do wonder why he means by "necessary". I'm not sure, either, quite what he means by the appealing comparison of evolution to the heat coming off of an engine. For there would be no "engine" of life in the absence of evolution -- which is, ultimately, a thermodynamic process, and therefore as necessary as energy conservation and increasing entropy. I wouldn't say evolution was like the inefficiency of the engine (the radiant heat), but rather that it is like, and derived from, the very principles that govern the engine's form and operation.

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