5. That depends on what level of medicine you have. with level 3 I had a villager live to the age og 96!
9.temporary(I think)
10. I don't think so, but you can try "breeding" any blond or brown-haired people to try to get other hair colors.
11. no
12.yes, and it's in the forum that is called "The Secret City, Game Giude' or something similar to that.
14. It looks like an ordinary hut with clothes hanging off it, and they cost about 5000 tech points
15. no(If you want more builders, you should breed your current builders
17.it's probably a glich