For most humans living today, it's hard to imagine life without written language, governments and large-scale agriculture. But on the scale of human history, all of these are recent inventions. Until ...
Peter Christoff does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...
Ousmane Ba does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...
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