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In Science as a Questioning Process (Institute of Physics, £20, ISBN 0
7503 0369 7), astrophysicist Nigel Sanitt puts forward a stiff new test for
scientific theories: stated simply, any theory worth the name has to answer more
questions than it raises. Using a process he calls zetetic analysis, he shows,
for instance, that Darwinism was not a proper theory, though Neo-Darwinism is.
For good measure, he crams in some reflections on the lack of certainty in
science and its close resemblance to literature.