May 10, 2013 #1 M Murasaki New member Joined Jun 26, 2008 Messages 4 Reaction score 0 Points 1 Any kind of topic is good, but not too general...for example "astronomy" is too broad/general
May 15, 2013 #2 N Noonie New member Joined Apr 18, 2008 Messages 13 Reaction score 0 Points 1 How did life start
May 24, 2013 #3 B Bouncy New member Joined Dec 11, 2008 Messages 5 Reaction score 0 Points 1 How music effects blood pressure