We often hear neoDarwinian narrative apologists tell us that they would be hamstrung in conducting their research if they didn’t know the neoDarwinian story was true. Au contraire says NAS member Phil Skell and 70 eminent researchers he asked about it recently. Read on below the fold…
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The Scientist 2005, 19(16):10
Published 29 August 2005
Why Do We Invoke Darwin?
by Philip S Skell
Darwin’s theory of evolution offers a sweeping explanation of the history of life, from the earliest microscopic organisms billions of years ago to all the plants and animals around us today. Much of the evidence that might have established the theory on an unshakable empirical foundation, however, remains lost in the distant past. For instance, Darwin hoped we would discover transitional precursors to the animal forms that appear abruptly in the Cambrian strata. Since then we have found many ancient fossils Ã¢â‚¬â€œ even exquisitely preserved soft-bodied creatures Ã¢â‚¬â€œ but none are credible ancestors to the Cambrian animals.
Despite this and other difficulties, the modern form of Darwin’s theory has been raised to its present high status because it’s said to be the cornerstone of modern experimental biology. But is that correct? “While the great majority of biologists would probably agree with Theodosius Dobzhansky’s dictum that ‘nothing in biology makes sense except in the light of evolution,’ most can conduct their work quite happily without particular reference to evolutionary ideas,” A.S. Wilkins, editor of the journal BioEssays, wrote in 2000. “Evolution would appear to be the indispensable unifying idea and, at the same time, a highly superfluous one.”
I would tend to agree. Certainly, my own research with antibiotics during World War II received no guidance from insights provided by Darwinian evolution. Nor did Alexander Fleming’s discovery of bacterial inhibition by penicillin. I recently asked more than 70 eminent researchers if they would have done their work differently if they had thought Darwin’s theory was wrong. The responses were all the same: No.
I also examined the outstanding biodiscoveries of the past century: the discovery of the double helix; the characterization of the ribosome; the mapping of genomes; research on medications and drug reactions; improvements in food production and sanitation; the development of new surgeries; and others. I even queried biologists working in areas where one would expect the Darwinian paradigm to have most benefited research, such as the emergence of resistance to antibiotics and pesticides. Here, as elsewhere, I found that Darwin’s theory had provided no discernible guidance, but was brought in, after the breakthroughs, as an interesting narrative gloss.