Kuyintozazisezintabeni ezidumile zaseLebombo, eziphakathi kweNingizimu Afrika neSwaziland, lapho udokotela wesayensi yokwakheka komhlaba waseBelgium ogama lakhe linguJean de Heinzelin de Braucourt athola okuthakazelisayo, okungatholakala kuze kube namuhla okugcinwe esitezi se-19 seRoyal Belgian Institute of Natural Sciences e EBrussels. Lokhu kutholakala, omunye wabasolwa, wenza idumela lomcwaningi waseBelgium, okwathi ngaphambi kwaleli cala elingavamile, wenza uphenyo oluningi eYurophu, eMiddle East naseMelika, kungagcini lapho. Kepha kwakuse-Afrika, cishe ngeminyaka yo-1950 kuya kowe-1970, enkabeni yeBelgian Congo, lapho enza khona okutholakele okumangalisa kakhulu empilweni yakhe. Esizeni sase-Ishango, esingamakhilomitha ayi-15 ukusuka e-Ecuador kolunye lolwandle lwaseLake Edward, wathola ithambo elingajwayelekile elinobude obungu-10 cm, okuveza ukuthi le ndoda yayivele izitika ngalesi sikhathi e-Afrika iye ezingeni eliphakeme kakhulu umsebenzi wesayensi. Into iyathakazelisa: imfibula ethile yemfene ezoguqula umlando wesayensi ubheke phansi, kulokhu kube yisayensi yezibalo.
-Ukuphola okujwayelekile kwemivubukulo kufakazela ukuthi le nto iphakathi kuka-20 000 no-35 BC. Leli yi “Lebombo Bone” elidumile elinezinothi ezenziwe ngabantu, “futhi elifana ncamashi nezinduku zekhalenda ezisasetshenziswa amaBushman aseNamibia”. I-Ekang nayo ibala ngezinduku zezibalo.