On the Cover Michelangelo Pistoletto, Obellisco, 2010. Mirror and stone, 550 x 140 x 140 cm.Photograph: Ela Bialkowska, Courtesy Galleria Continua, San Gimignano/ Beijing / Le Moulin Purchase this issue here
Defining Nature by Defying Materials: A Conversation with Bryan Hunt July 1, 2011 by Brooke Kamin Rapaport