the authors discuss different scientists in the last two sentences of the passage primarily to responses explain why some sciences have advanced further than others explain why some sciences have advanced further than others correct a misconception about the nature of scientific rationality correct a misconception about the nature of scientific rationality underscore that all scientific thought ultimately rests on observation underscore that all scientific thought ultimately rests on observation resolve an apparent contradiction between empiricism and experimentalism resolve an apparent contradiction between empiricism and experimentalism prove that their definition of science accurately represents the work of past scientists