``Rudolf Carnap published an article called "Testability and Meaning" in Readings in the Philosophy of Science which moved away from the philosophical position of Logical positivism with respect to science (particularly the heavily mathematical sciences like physics). Carnap now emphasized the idea that progress in science depends on the gradual accumulation of many small results that support our understanding of the world, a view more in line with Wittgenstein's later philosophy and biological sciences.`` -- 1953 in science