Evolutionary Theory’s Welcome Crisis

Creationists – those who believe that a supernatural being created the universe – are right about one thing: contrary to the impression given by much popular writing on the subject, the theory of evolution is in crisis. But, for science, unlike for dogmatic belief systems, such crises should be welcomed.

EXETER – Those who believe that a supernatural being created the universe have never posed an intellectual challenge to evolutionary theory. But creationists, whether biblical fundamentalists or believers in “intelligent design,” do pose a threat to scientific thinking. Indeed, creationism’s insidious genius lies in its ability to reinvent evolution in its own image as a dogmatic belief system – and thus the antithesis of science.

The creationists are right about one thing: contrary to the impression given by much popular writing on the subject, the theory of evolution is in crisis. But this is a positive development, because it reflects the non-linear progress of scientific knowledge, characterized by what Thomas Kuhn described in his influential book The Structure of Scientific Revolutions as “paradigm shifts.”

For the last 70 years, the dominant paradigm in evolutionary science has been the so-called “new synthesis.” Widely publicized in recent years by Oxford evolutionary biologist Richard Dawkins, the new synthesis unites Darwin’s theory of natural selection with Mendelian genetics, which explains heredity.

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