What Makes Something Funny?

Ever wonder what makes something funny? E.B. White once wrote that "humor can be dissected, as a frog can, but the thing dies in the process and the innards are discouraging to any but the pure scientific mind." A look at an explanation behind the punch line.

Source: http://www.npr.org/2011/05/05/136030428/what-makes-something-funny?ft=1&f=1007

Dina Lohan Angelina Jolie Will Smith Savannah Brinson Heidi Montag Bristol Palin Levi Johnston