Carlos Emanuel Sautchuk is Associate Professor at the University of Brasilia, Brazil, where he coordinates the Laboratory of Anthropology of Science and Technique. He is also an associate member of the group Anthropologie de la vie et des représentations du vivant (LAS, Collège de France). Since 2004 he has been carrying out ethnographic fieldwork in the Amazon on fishing, nature conservation and fish domestication, focusing primarily on anthropological perspectives on techniques, environment and life. He has also produced and written about video and photography in ethnography.