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Old 02-27-2017, 04:30 AM
Mijin Mijin is online now
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Join Date: Feb 2006
Location: Shanghai
Posts: 7,626
The important takeaway is:

Evolution: very slow
Human societal and technological change: very fast

If you could visit the year 2500 I'm sure that humans will have a lot of physiological and even psychological differences from you and I. But they'll be because of environmental differences, improved medical knowledge and surgery, cybernetic implants / augmented reality, genetic engineering and so on.
Not because of survival of the fittest.