"The real hallmark of Homo Sapiens is that culture and knowledge are externalised and persist outside individuals." Homo Sapiens can do that, but I think it's

"The real hallmark of Homo Sapiens is that culture and knowledge are externalised and persist outside individuals." Homo Sapiens can do that, but I think it's more a consequence of our particularities that a cause. I think the 'real hallmark' it's our capacity for abstraction: never mind how hard you try, you will never teach the Pythagorean theorem to a dog. From the point of view or our current knowledge, there are not reasons for that being impossible to implement in software. Also, why was the grandparent down-voted, please?