I clearly remember early days in journlism classes discussing basics, such as "What is news." I remember defining it is something unusal, different, current and the like. Specifically, the instructor said: "Man bites dog, that's news." Well, unfortunately for me, I missed out on this stroy, but at least someone got it:
To save her Lab, Minneapolis woman bites pit bull on nose:
http://www.startribune.com/local/17247504.html [1]
How about that!