Patterning in the use, discard and transportation of artifacts and raw materials by early humans. The taphonomy and behavioural controls over Acheulean assemblage formation. The role of bifacial technology and tool discard in Lower Palaeolithic hunting strategies and social organization. The geological context of Middle Pleistocene human occupation in Southern Britain. Visualization and simulation of prehistoric landscapes. Early Upper Palaeolithic colonisation of northern Europe.