The study focused on one of the most complex actions performed by primates: nut cracking using stone tools.
Female migrations facilitate the spread of advanced tool use among chimpanzee groups, according to the study.
Findings suggest the audience effect may be deeply rooted in the social evolution of great apes.
Scientists concluded that even if all 200,000 chimpanzees typed a letter a second until the end of the universe, they would have no chance of replicating Shakespeare's works.
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