They also suggest that experimentation with aesthetic form reflects a desire to experiment with human form. Beholders discover in vandalized works an image of disability that asks to be contemplated not as a symbol of human imperfection but as an experience of the corporeal variation found everywhere in modern life. Art is materialist because it relies on the means of production and the availability of material resources—as Marx understood. But art is also materialist in its obsession with the embodiment of new conceptions of the human. At a certain level, objects of art are bodies, and aesthetics is the science.