In my oppinion it would be a shame and unfortunate for menkind to dissapear. Beside our destructive behavior and all bad influace we have on everything living around us, we still accomplish so much in such short notice of say 10.000 years in wich we envolve to a moder men. Of course our sun will swallow the earth in 3-4 billion years and kill everything that crawls in 1 (or even less) years but it gave us so much till now and will give enough time to think over some solution for survivel. Somebody or something invested a lots of efforts making all this interestig puzzles to be cracted. It would be real pity nobody to obtain that long homework all the way thru. So everyone start brainstorming ideas for new outer space human colonies