so... im asking you, physicians, and generally smart people: how long is it until the world (scientifically and philosophically) is uninhabitable (spelling?) and the human race goes bye-bye into oblivion? and how great are the chances that we'll actually survive it? i am aware that there are many factors to be considered, and there cannot be any "real" answer, but please, help me out here mayne! http://www.doomsdayguide.org http://www.thebulletin.org/doomsday_clock http://en.wikipedia.org/wiki/Doomsday_event (please help me add some links here) thank you.