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Dyson, Right and Wrong

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Dyson, Right and Wrong
Topic: Science 8:13 pm EDT, Jul  9, 2007

Some follow-up on the Dyson article, Our Biotech Future.

Dyson accidentally approaches the great dilemma of biotechnology, but does not address it directly, when he writes that, unlike biological evolution, “cultural evolution is not Darwinian. Cultures spread by horizontal transfer of ideas more than by genetic inheritance.”

He takes this to mean that cultural evolution is more efficient. But cultural evolution is far more precarious than biological evolution. Cultural advances are preserved and transmitted not by genes but by education: they require the self-conscious passing down of knowledge and ideas. The fear of undermining that task of transmission through the biotechnological alteration of humanity is what motivates the worries of the “bioconservatives,” (*) and what threatens to rob the biotech revolution of any limiting principle at all. (I sought, with mixed success, to lay out this theme at some length in this 2004 essay.)

The positive potential of biotech is clear and enormous—as Dyson points out in his characteristically brilliant way. But its unique risks are also enormous. We need to understand both to be able to foster biotechnology without harming ourselves or our culture. Dyson falls far short in clarifying those risks.

(*)

Forget Osama bin Laden and the so-called clash of civilizations. The defining political conflict of the 21st century will literally be the battle over life and death.

Why die?

Dyson, Right and Wrong



 
 
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