Here is a funny curiosity: Pick a random page: http://www.sciforums.com/threads/atheist-expects-death-to-be-oblivion.161353/page-2 now remove the www: http://sciforums.com/threads/atheist-expects-death-to-be-oblivion.161353/page-2 you'll be taken to the same page, but you won't be logged in. Most sites don't do this. you should be redirected to the correct URL. A while ago, some members complained about finding themselves logged out frequently. I wonder if this is how it was happening.