Lowland Maya archaeology at crossroads. Stable populations and skeletal age. Microwear microdrills Mississippian craft specialization. Ancient Maya chert workshops in Belize. Obsidian hydration dating update. Spatial analysis of distribution of artefacts. Mesoamerican pecked cross as calendrical device. Cucurbits in Andean prehistory. A late Preclassic lowland Maya stela cult.