Duane Elgin @duane Active 2 years, 4 months ago ActivityProfileLocationGroups 19ForumsEventsCoursesResources Topics StartedReplies CreatedEngagementsFavorites Search topics: Forum Topics Started Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Is the universe a "living system"? Started by: Duane Elgin in: Deep Time Journey Forum 19 416 7 years, 4 months ago Jonathan Tweet Viewing topic 1 (of 1 total)