Williamstown – “The Challenge of Cave Art. Ekphrasis, aesthetics, biology of art” is the title of the research carried out by Professor Michele Cometa, professor of Comparative Literature and Visual Culture at the Department of Culture and Society of the University of Palermo. Cometa has been awarded the prestigious Beinecke Fellowship, which is granted annually to a senior scholar. The Palermo professor spent a period of research at the Clark Art Institute in Williamstown (MA), one of the most important US institutions devoted to the study of visual culture. (9Colonne)