Archaeology in West Africa could rewrite the textbooks on human evolution
Our species, Homo sapiens, rose in Africa some 300,000 years ago. The objects that early humans made and used, known as the Middle Stone Age material culture, are found throughout much of Africa and include a vast range of innovations.
Among them are bow and arrow technology, specialized tool forms, the long-distance transport of objects such as marine shells and obsidian, personal ornamentation, the use of pigments, water storage, and art. Although it is possible that other ancestors of modern humans contributed to this material culture in Africa, some of the earliest Middle Stone Age stone tools have been found with the oldest Homo sapiens fossils found so far.
The textbook view is that by around 40,000 years ago, the Middle Stone Age had largely ceased to exist in Africa. This was a milestone in the history of our species: the end of the first and longest lasting culture associated with humanity, and the foundation for all the subsequent innovations and material culture that defines us today.
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