Civilization was a last resort, he said, a means of organizing society and food production and distribution in the face of deteriorating environmental conditions. http://news.webindia123.com/news/Articles/Science/20060907/444508.html ( also here, on Dvorak's blog - http://www.dvorak.org/blog/?p=6989#more-6989 - Sylvia ) "People Who experience mood swings, fear, voices and visions"
