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This research at the Nsongezi open-air site examines the intergenerational artefacts at a site where the first Stone Age artefacts were identified in Uganda. The purpose was to examine the nature and cause of the mixed Later Stone Age (LSA) and Iron Age (IA) artefacts in the same stratigraphic context at Nsongezi. The specific objectives included examining the ceramic assemblage, discussing the nature of interactions between the Later Stone Age and Iron Age people and accounting for why and how the mixture of artefacts occurs at Nsongezi. Using a documentary review, archaeological survey, and excavation, the research re-examines the theories of displacement and coexistence concerning the LSA and IA material mixture, which has always been dismissed as a disturbance of stratigraphic contexts. Guided by the Law of superimposition, the association of archaeological material from different cultural periods such as the Later Stone Age and Iron Age artefacts at Nsongezi is attributed to four phenomena. First is the cultural interaction of distinct LSA and IA populations. Secondly, the LSA populations may have adopted Iron Age technology and pottery while continuing with some of the LSA technology and pottery. Thirdly, the Iron Age populations occupied the LSA sites previously abandoned, and some of the LSA peoples occupied the old Iron Age sites as the two groups crisscrossed the region in shifting agricultural and hunter-gatherer economies. Finally, the mixed LSA and Iron Age deposits might have resulted from post-abandonment taphonomic processes. Therefore, the social interactions between the LSA and IA at Nsongezi challenge the dominant narrative that the IA populations used their metal technology’s superiority to displace and absorb the LSA people.

This paper explores the preference for indigenous medicinal plant medicine in Buliisa district, situated in the Albertine Graben. Despite attempts to improve access to conventional health services, there seems to be a preference for alternative medicine from medicinal plants. The specific objectives included examining the forms of indigenous herbal medicine, how they are administered and passed on from generation to generation, preservation challenges and mitigation measures. The study utilises a multidisciplinary approach by using archaeological transect walks, oral interviews with 50 herbalists, observation of the administration of herbal medicine, focus group discussions, and documentary review to collect data. Four hundred and seventy-seven medicinal plant sites were marked using a hand-held Global Positioning System at 80 locations. The results revealed that all plant parts are used for treatment as either independent parts or combined and often with other plant types. The most commonly used medicinal plant parts are the leaves. Buliisa medicinal plants cure various diseases, but the most common ones are sterility, sexually transmitted infections, high blood pressure, back pain, eye diseases, external body injuries, poisoning, and nose bleeding. In addition, treatment for aspects such as luck and spiritually related ailments are also handled. Though the harvesting poses a key conservation challenge, the secrecy embedded in the transmission of indigenous knowledge, education, Christianity and oil exploration is each equally a threat. The study recommends that since most herbal medicines have no overdose, there is a need to undertake more research to document the dosage and side-effects of using medicinal plants and compile a red list of the endangered species. The study has implications for the knowledge and development of herbal indigenous medicinal plants.