The Science of Discworld IV: Judgement Day by Terry Pratchett

Author:Terry Pratchett
Language: eng
Format: mobi, epub, azw3, pdf
Tags: Comedy
ISBN: 9780091949792
Publisher: Ebury Press
Published: 2013-04-15T23:00:00+00:00

Like Feynman, we don’t think that there’s an ‘extra something’, an élan vital (‘life force’) that drives life. No, it’s much simpler than that. Organisms have evolved, and whereas at the outset of life they were very limited, mostly ‘doing what their atoms did’, as Feynman would have it, they acquired new properties, like cell division. They got a workable heredity, they acquired eyes and the nervous systems to use them. They moved up out of physico-chemical systems, just as we’ve moved up out of the law of gravity. Organisms have new tricks, exploiting new contexts. For instance: birds, despite being heavier than air, can fly.

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