African Middle and Later Stone Ages; Reconstructing social and exchange networks; Local paleoenvironments and climate; Stable isotope analyses; Hunter-to-herder transition in sub-Saharan Africa; Geospatial analysis and modeling; Geochemical fingerprinting and tracking; Paleoecological reconstructions of Plio-Pleistocene hominin sites; Habitat contexts of early Homo; Adaptive radiation of platyrrhines during the Miocene