evidence: Africa has the world's oldest record of human technological achievement: the oldest stone tools in the world have been found in eastern Africa, and later evidence for tool production by humans' hominin ancestors has been found across West, Central, Eastern and Southern Africa.[1] The history of science and technology in Africa since then has, however, received relatively little attention compared to other regions of the world, despite notable African developments in mathematics, metallurgy, architecture, and other fields. [...] Admiring West African medicinal prowess, Johannes Rask concluded that "Africans are much better suited than we are, as regards their health care".[101][102][103] [...] - ^ a b Amblard-Pison, Sylvie; Vallette, Thibault; Jousse, Hélène; Albaret, Chloé; Person, Alain (2010). "The rock carvings of anthropomorphs of Dhar Nema southeastern Mauritania". Afrique Archéologie Arts. 6: 67–84. doi:10.4000/AAA.710.