The development of science studies has an important message for political theory. This message has not yet been fully articulated. It seems that the science studies field is often considered as the extension of politics to science. In reality, case studies show that it is a redefinition of politics that we are witnessing in the laboratories. To the political representatives should be added the scientific representatives. Thanks to a book by Steven Shapin and Simon Schaffer, it is possible to reconstruct (...) the origin of this divide between the two sets of representatives. A definition of modernism is offered. Then the article explains how to interpret the shift to "nonmodernism, " that is, a historical period when the two branches of politics get together again. (shrink)