I think the final sentence in the article linked to in the first post pretty much sums things up:
Quote:
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Originally Posted by Article
What ever the implications of the recent findings, McKee added, they highlight a ubiquitous point about evolution: "every species is a transitional species."
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Human beings evolve, but evolution is a long-term process and in humans it does not necessarily translate to cultural traits. It is however obvious that humans, for example, have adapted to the climate they live in (like the loss of pigment in Scandinavian peoples). This is also evolution.