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Newsweek Letter: ID Arguments are Testable

My letter responding to George Will’s “A Debate That Does Not End” appears in the July 18 print edition of Newsweek.

George Will says the theory of intelligent design isn’t falsifiable—isn’t “a testable hypothesis.” Actually, particular design arguments are falsifiable. Design theorist Michael Behe, for instance, argues that we can detect design in the bacterial flagellum because the tiny motor needs all of its parts to function at all. That’s a problem for Darwinian evolution, which builds novel form one tiny functional mutation at a time. How to falsify Behe’s argument? Provide a detailed evolutionary pathway from simple ancestor to present motor. The flagellum might still be designed, but Behe’s argument that such design is detectable would have been falsified.

For a more in-depth discussion, see philosopher of science Stephen Meyer’s analysis of observability and testability here.

Jonathan Witt

Executive Editor, Discovery Institute Press and Senior Fellow, Center for Science and Culture
Jonathan Witt, PhD, is Executive Editor of Discovery Institute Press and a Senior Fellow with the Center for Science and Culture. His co-authored books include Intelligent Design Uncensored (IVP), A Meaningful World: How the Arts and Sciences Reveal the Genius of Nature (IVP), and The Hobbit Party: The Vision of Freedom That Tolkien Got, and the West Forgot (Ignatius Press). Witt is also the lead writer and associate producer for Poverty, Inc., winner of the $100,000 Templeton Freedom Award and recipient of over 50 international film festival honors. His latest book is a YA novel co-authored with astronomer Guillermo Gonzalez, The Farm at the Center of the Universe.

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