Replacing paradigms requires open minds

By Tom Siegfried, 18:09 PM November 5, 2013

First of two parts

Some people think Thomas Kuhn’s philosophy about scientific paradigms isn’t worth 20 cents.

But many scientists, although they might quibble about the details, know that Kuhn, a physicist-turned-philosopher, was on to something.

For the most part, Kuhn said, scientists practice “normal science.” They work within a particular theoretical framework, or paradigm, in which the big picture is taken for granted and new experiments fill in details. All results are interpreted in term...

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