Believing What You Know Ain't So

I just finished reading Bruno Latour's On the Modern Cult of the Factish Gods (Duke, 2010), and am still stirring it around in my head. Latour is (in)famous as an anthropologist of science, whose fieldwork consists of observing the savage scientist in his natural habitat, the laboratory. I haven't yet read any of that work; all I'd read before was We Have Never Been Modern (Harvard, 1993),