A long-standing question in biology is how evolution tinkers with genes without mucking things up. The prevailing theory is that the genome has copies of critical genes, so that if mutations spoil one, there's a backup. Now researchers have new proof that evolution can work this way.
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Ridicule is the only weapon which can be used against unintelligible propositions. Ideas must be distinct before reason can act upon them; and no man ever had a distinct idea of the trinity. It is the mere Abracadabra of the mountebanks calling themselves the priests of Jesus. -- Thomas Jefferson
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