Parasites invent new keys; hosts change the locks. There is an obvious group-selectionist argument here for sex: At any one time a sexual species wil… - Matt Ridley
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Parasites invent new keys; hosts change the locks. There is an obvious group-selectionist argument here for sex: At any one time a sexual species will have lots of different locks; members of an asexual one will all have the same locks. So the parasite with the right key will quickly exterminate the asexual species but not the sexual one. Hence the well-known fact: By turning our fields over to monocultures of increasingly inbred strains of wheat and maize, we are inviting the very epidemics of disease that can only be fought by the pesticides we are forced to use in ever larger quantities.
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About
Matt Ridley
Matthew White Ridley, 5th Viscount Ridley, DL, FRSL, FMedSci (born 7 February 1958), usually known as Matt Ridley, is a British journalist who has written several popular science books. He is also a businessman and a Conservative member of the House of Lords.
Alternative Names:
Matthew Ridley, 5th Viscount Ridley
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Hon. Matthew White Ridley
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Matthew White Ridley, 5th Viscount Ridley
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Dr M W Ridley
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Matthew White Ridley
The pope notwithstanding, the human species is by no means the pinnacle of evolution. Evolution has no pinnacle and there is no such thing as evolutionary progress.
In the beginning was the word. The word proselytised the sea with its message, copying itself unceasingly and forever. The word discovered how to rearrange chemicals so as to capture little eddies in the stream of entropy and make them live. The word transformed the land surface of the planet from a dusty hell to a verdant paradise. The word eventually blossomed and became sufficiendy ingenious to build a porridgy contraption called a human brain that could discover and be aware of the word itself. My porridgy contraption boggles every time I think this thought.
I asked John Maynard Smith, one of the first people to pose the question “Why sex?,” whether he still thought some new explanation was needed. “No. We have the answers. We cannot agree on them, that is all.”
