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For us in the developed world, I see very little selection pressure at all. Hence we are not evolving.
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While it is true that there is little selection pressure in the developed world, I don't think that means we are not evolving.
With new medical and scientific achievements it is now possible to control life factors that were previously only the result of natural genetics. Our technological improvements, while not biologically based, also make us better suited for survival and propagation in our environment. Although it is a different kind of evolution, those in the developed world are certainly still evolving. Not necessarily on a genetic level, but on a holistic level.
I find this particularly fascinating and am interested in what humanity will do with itself. We are very nearly on the cusp of being able to control our own biological evolution. Add this to our already impressive technological powers and we are becoming a very formidable animal.