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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Kevin Laland has a new book where he focuses a lot on teaching in animals, why humans rely so much on it and why it mattered in our evol
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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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Once it became instinctive, it seems that breaks the chain of needing to teach it -- though most parents, comically, still do teach this.
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