Humor as Pattern Recognition or Possibly Male Aggression

http://www.scienceagogo.com/news/20080527183142data_trunc_sys.shtml posits that humor is an evolved type of pattern recognition.

http://www.world-science.net/othernews/071221_humor.htm says it is a form of male aggession.

It is also masks false advertising.

It looks like I need to do some more reading ...