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Aren't we there yet?

"However, Dr Curry warns, in 10,000 years time humans may have paid a genetic price for relying on technology.

Spoiled by gadgets designed to meet their every need, they could come to resemble domesticated animals."

I think Dr Curry is wrong about the timetable of our species demise. I believe we are already there.

There are no near-sighted lions. They would not be able to feed. They would not be able to survive. But there are millions of near-sighted humans. They wear glasses. Or Contact lenses. Or have Lasix surgeries to correct their vision. They feed. They survive. They reproduce. They pass on their genetic weakness to their offspring. And this is just one of the easiest to observe differences between human and every other living species on Earth: humans developed technology to shield themselves from the consequences of the brutality of Darwin's natural selection laws. We made it possible for unfit to survive and reproduce: that's part of being human.

And every new generation contains more of us who are less fit to survive under natural laws and more dependent on the technology to keep us fed, alive and reproducing. We, at least in the societies where the influence of technological advances is the greatest, already "evolved" into frail, often obese, weaklings resembling our domesticated animals.

I am more sceptical about blurring the racial lines, though. This can happen only if all races of humanity evenly mix throughout the planet. So far we can observe such mixing to some extent only in select countries (like US, Canada) and some large urban areas elsewhere. In the next century we will have to see huge migrations in/out of Africa, and China to make this theory feasible. There is nothing today that makes those migrations imaginable. China remains a closed country in regard of human travel. Africa is too harsh, underdeveloped and war ravaged to be attractive for tourism and immigration, and the immigration policies of developed countries are not likely to change and allow en-masse African immigration just because white people are not breeding any more. Particularly because 1/4 of Africans are infected with HIV. Therefore I think it is more likely that races of humanity will take different evolutionary steps, than that racial differences will be blurred first and then the humans will split into two species.

Of course that the technologically more advanced but genetically weaker future descendants of humans will harvest DNA from the new robust post-humans adapted to poverty and lack of technology.

One thing that we all may not see is that the so-called robust species, in absence of being pampered, may accidentally evolve to become more intelligent, too, or develop new senses, like ability to communicate via radio waves, or develop ability to sinthesize energy like plants due to presence of specialized photosinthetic molecules in their skin cells, and at certain point lose interest to help their technology-dependent weak ex-brethren with fre DNA samples.

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