That habit people have to draw a line between 'natural' things (instinct/emotion, raw plants, living in caves or something, I don't know) and 'artificial' things (thought/analysis, processed food, telephones that can acess wikipedia) seems sillier and sillier to me the more I think about it. All the artificial things are just as natural as the natural ones and vice versa! (Though I catch myself tending to draw the distinction, too. Like the sci-fi trope of the cold, logical robot and the emotional human -- the dichotomy is just stuck in my head.)
Regarding evolutionar psychology as a science, from what I recall, in other species, you figure out of a behaviour is an evolutionary adaption by comparing closely related species that live in different environments. So since humans don't really have a closely related species it's pretty much impossible to investigate it rigorously.
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That habit people have to draw a line between 'natural' things (instinct/emotion, raw plants, living in caves or something, I don't know) and 'artificial' things (thought/analysis, processed food, telephones that can acess wikipedia) seems sillier and sillier to me the more I think about it. All the artificial things are just as natural as the natural ones and vice versa! (Though I catch myself tending to draw the distinction, too. Like the sci-fi trope of the cold, logical robot and the emotional human -- the dichotomy is just stuck in my head.)
Regarding evolutionar psychology as a science, from what I recall, in other species, you figure out of a behaviour is an evolutionary adaption by comparing closely related species that live in different environments. So since humans don't really have a closely related species it's pretty much impossible to investigate it rigorously.