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There is no H on Venus surface, so it is impossible to change Venus with local resources. So, they have to be imported - and there is H in comets. So, the only way to teraform Venus is with bombarding it with thousands of comets and space junk, that contains ice. Maybe getting H out of gas planets might be another source, too.
Then there is also https://en.wikipedia.org/wiki/Oort_cloud
Don't worry - there is more than enough comets to bomb the Mars with all the future settlements. Muhaha
If you need 50km long dredge, then it is a viable project in future, just like now it is with space elevator. Apparently that type of dredge will be needed to extract materials from gas planets(and 50km might not be enough), so that dredge will have to be developed anyway.
The most logical solution to make habitable world would be to bombard Venus with comets and small planets. They all have enough materials to stabilize Venus atmosphere and teraform it and also calculated bombarding can cause Venus to change axis and rotation.
Any of those projects of colonization in space is even greater waste of resources, compared to colonies in northern Canada, Antarctica, artificial islands or underwater cities.
As for clean house - what exactly is template here? Some humans have genes, that others don't have - DNA is not something, that has all the attributes of all humans with true/false values attached to them. Some humans have slanted eyes and have genes that are responsible for that look and others don't have such genes when they have no such feature and there are other genes responsible for their look. And this looks a sh!t job to sort out all "functional" genes of every human, as DNA of them is not going to be the same.
Editing out nonfunctional DNA looks like one of those ideas from 60s, when it was in fashion to remove appendix and make smaller stomach and they in the end paid with shorter lifespan.
I am confused and a bit curious, because that is not why I went to uni(not in US) and not how I had to deal with my studies. Also - can a foreign student apply for this free cheese and is UC diploma any good(also - outside UC, to have a real job)? And how UC is getting money? Any tax money involved(if that is the case, then why?) or only donations - from former students, who... work at UC?
What's the use of learned knowledge, if it can't be used for practical purposes? Your definition of civilization is enough to ponder what makes civilization now:
one internet for communication, K-POP, impossibility to do isolated science, global corporations with factories in China, that will suffer shortages because of Coronavirus, that can be spread by connecting airlines. Suddenly Chinese eating habits is concern for the rest of the world.
Paper is written in 1944. None of that was true for that time and does not apply to modern days at all. It seems to be influenced by pre-war mystical New Ageish movements in Europe, that claimed many things... like, that Europeans came from Tibet...
I'm really confused about definitions here. What we define as Western, Chinese, Indian civilization and what we define as civilization at all.
You can like it or hate it, but modern Chinese nowadays belong to Western civilization - they use Western inventions(and they still steal them - no offense, but I think, it is a right thing to do for them to get into better economical position and you should do the same) - phones, computers, mechanisms, medicine, sanitation, building, use western clothing and even Mao spread western ideas... At this point Chinese civilization as such certainly does not exist and it is a myth. Same applies to others.
Let's clarify some things about Western civilization: Western civilization does not apply exclusively to Western Europe. Roman Empire, that was melting pot of nations and cultures was spread in northern Africa and for most of what is considered world of Islam. Not bothering with colonies, core lands of ancient Greeks were in what is now called west of modern Turkey. Most of the world still does not know about great Chinese works, but they too don't predate works of ancient Greeks(as they were written more recently). There certainly existed even more ancient literature works in ancient China, but so did in civilization, what we consider western.
What you are talking about continuity of Chinese applies the same to Europeans as well, as they stem from steppe people, that were initially located in Eastern Europe and they even more efficiently than Chinese replaced local population. Heck, those steppe people even invaded civilization of Indus valley, eventually destroying it and replacing male population for most of northern India. Talk about continuity of ancient India - did you meant Tamil people or Harappans? Because if Harappans(Indus valley civilization) is considered Indian, then Tamil ancestors are thought to come from somewhere west of India and are not really native to India... unlike Veddas in Sri Lanka or Sentinelese of Andaman islands.
Now some nitpicks: Goths did not left any traces of Gothic civilization in Italy - besides, how do you even dear to consider Goths not belonging to Roman Empire, as they were employed by Romans! As far as I know, Goths did not invade only Italy, but also invaded Spain and settled in most fertile part of Roman Empire - Africa, so they walked over whole Roman Empire. There was no specific civilization of Britain during Saxon invasions. What did they even replace? And how do you differ them from Normans, Angles or even earlier Viking invasions? For all I know - all of them might belong to the same culture. Because of Spanish conquest, Americas are now considered part of Western civilization. Aztecs came from deserts of modern USA and were rulers over natives, so what's your point? And even then Aztecs were not unique civilization, but only part of civilization region of what we call Mesoamerica. Isn't is a hypocrisy to consider multiple states of China, that fought among themselves as continuous civilization(even today there are 2 Chinese states)... while looking on different European countries, who share the same civilization not consider them as continuous...