Richard Dawkins quote: Oxygen flooded into the atmosphere as a pollutant, even a poison, until natural selection shaped living things to thrive on ...

Oxygen flooded into the atmosphere as a pollutant, even a poison, until natural selection shaped living things to thrive on the stuff and, indeed, suffocate without it.

~ Richard Dawkins ~

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Oxygen flooded into the atmosphere as a pollutant, even a poison, until natural selection shaped liv...

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There was something built into the human brain by natural selection which was once useful, and which now manifests itself as religion.

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