Tim Ingold (University of Aberdeen) discusses his current research, on the comparative anthropology of the line, exploring issues on the interface between anthropology, archaeology, art and architecture. Tim Ingold is Professor of Social Anthropology and Head of the School of Social Science at the University of Aberdeen. He has carried out ethnographic fieldwork in Lapland, and has written on the role of animals in human society, on language and tool use, and on environmental perception and skilled practice. His key publications include: Evolution and Social Life (Cambridge University Press), Tools, Language and Cognition in Human Evolution (co-edited, with Kathleen Gibson, Cambridge University Press), The Perception of the Environment (Routledge) and Lines: A Brief History (Routledge).