Posing questions for a scientific archaeology / Terry L. Hunt, Carl P. Lipo, Sarah L. Sterling -- Building components of evolutionary explanation: a study of wedge tools from northern South America / Kimberly D. Kornbacher -- The engineering and evolution of Hawaiian fishhooks / Michael T. Pfeffer -- Building the framework for an evolutionary explanation of projectile point variation: an example from the central Mississippi River Valley / Kris H. Wilhelmsen -- Social complexity in ancient Egypt: functional differentiation as reflected in the distribution of standardized ceramics / Sarah L. Sterling -- Community structures among late Mississippian populations of the central Mississippi River Valley / Carl P. Lipo -- Dietary variation and village settlement in the Ohio Valley / Diana M. Greenlee -- Resource intensification and late Holocene human impacts on Pacific Coast bird populations: evidence from the Emeryville shellmound avifauna / Jack M. Broughton -- Evolutionary bet-hedging and the Hopewell cultural climax / Mark E. Madsen.