<html><head><style type="text/css"></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;">----- Original Message ----<br>From: Jim Hutchinson <jim@ubuntu-rocks.org><br>To: Ubuntu Colorado Local Community Team <ubuntu-us-co@lists.ubuntu.com><br>Sent: Tuesday, June 3, 2008 10:28:35 PM<br>Subject: Re: [CoLoCo] (Off-Topic) Proof of Alien Life to be shown in Denver Friday.<br><br><br><br><div class="gmail_quote">On Tue, Jun 3, 2008 at 9:05 PM, Collins Richey <<a rel="nofollow" ymailto="mailto:crichey@gmail.com" target="_blank" href="mailto:crichey@gmail.com">crichey@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="Ih2E3d">On Thu, May 29, 2008 at 8:17 PM, Jim Hutchinson <<a rel="nofollow" ymailto="mailto:jim@ubuntu-rocks.org" target="_blank" href="mailto:jim@ubuntu-rocks.org">jim@ubuntu-rocks.org</a>> wrote:<br> ><br> <br> ><br> > Paul, I think you are right about advanced civilizations destroying<br> > themselves. You only need to look at Earth history to see example of that.<br> ><br> <br> </div>If any of the crust-shifting and/or asteroid theories are correct, the<br> advanced civilizations don't need to do anything to be destroyed.<br> <div><div></div><div class="Wj3C7c"></div></div></blockquote><div><br>I'm not sure what accounts for the collapse of all previous civilizations but I'm pretty sure it wasn't asteroids. Those don't come around often enough to wipe out civilizations before they take care of that themselves. That's not to say that one couldn't or hasn't but they certainly won't account for all. Not sure about crust-shifting but if you mean earthquakes I suspect they are frequent enough to cause major problems for lessor civilizations (not a historian so I can't site any examples but I'm sure someone will dig one up) but I seriously doubt modern humans will be wiped out by one or more earthquakes unless they are accompanied by a host of other events. Therefore, I think a theory that says civilizations tend to crush under their own weight is more plausible than one placing blame on natural disasters<br> </div></div><br>Jim-<br>I agree for civilizations, but what about for species? More likely to be natural disasters, I think.<br><br>Paul<br><br> </div></div></div><br> </body></html>