It is one of the shibboleths of evolution that the blind forces which change genes and change creatures have no aim or direction. Our hands and the wings of bats may be wonderfully engineered biological machines, and may arise from the same basic limb design, but it is wrong to think that evolutionary forces set out to build up progressively so that hands and wings could emerge with their current efficient designs.
It is hard, however, to get away from the idea of life forms progressing or asc
The Dispatch Editorial Board is made up of publisher Peter Imes, columnist Slim Smith, managing editor Zack Plair and senior newsroom staff.
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