What is the oldest expertise that's been passed down from person to person? Is there a chain for flint-knapping for example?
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I know too little about that. But I would think humans would learn to walk without that expertise being ‘passed down from person to person’.
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I'd guess that our kind of walking co-evolved with teaching it.
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Good point! Once we go down that route we get to monkeys teaching each other or even much further. https://www.nwf.org/News-and-Magazines/National-Wildlife/Animals/Archives/2015/Animal-Teaching.aspx …pic.twitter.com/qNOsLtWbwe
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How about Language skills. Walking would be natural, would not need to be taught I think.
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Language seems like a good one! Not teaching kids language didn’t work out really https://en.wikipedia.org/wiki/Language_deprivation_experiments …
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. Is language unique in requiring both nature and nurture? https://en.wikipedia.org/wiki/The_Language_Instinct …
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Walking surely would be discovered by any human even if isolated from teaching.
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I think you can reformulate the question to two variables: whats the most impressive expertise passed down the longest?
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For that kind of question, things like blacksmithing, fabric making, etc… start to be serious contenders
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