TOK – Natural Science Scientific Progress TOK – BMIS Can we define nature? Inductivism doesn’t do it completely Falsification doesn’t either SO PARADIGM ◦ Thomas Kuhn (1922-1996) – philosopher of science ◦ “paradigm is an overarching theory shared by a community of scientists.” (de Lagaemaat p. 240) (i.e. physicists, biologists) How does this work Normal science ◦ Kuhn’s “normal science” time – reality is not questioning much. ◦ No one questions the paradigm – the status quo – assumed as true. Scientific revolutions ◦ Question the paradigm and propose a better way Mendelev’s periodic table What was before him? Scientific Revolutions Newton – replaces Aristotle Einstein – replaces Newton WHAT ABOUT NOW?