In chapter 7 of his AIME, Latour considers the mode of existence of metamorphoses - that he nicknames MET. This is a mode of existence that contrasts sharply with what is substantial. He contrasts MET with what repeats itself, what subsists, what is engaged in its reproduction (REP). He finds MET in what is taken to be elusive, invisible, hard to spot, unmeasurable (by the standards of the mode of existence prêt-à-porter, DC, double click). MET will be the mode of existence of miasmas, animal spirits, possessions, demons, angels and all kind of entities that the moderns prefer to reduce to something internal to their minds - as if they were all in their own psyche. The moderns do that because they associate existence with stability - what is not stable but sparkling is perhaps a second creation, perhaps the transformations that we ourselves promote in the world, but the interior (to the mind) is a mode of inexistence. If we take further the route of Plato's parricide (which is what...