From the NYTimes.com: And Behind Door No. 1, a Fatal Flaw
An interesting story about the Monty Hall Problem a counter intuitive mathematical problem.
In the Monty Hall Problem you are a contestant on a game show and are presented with three doors. Behind two of the doors there are goats and behind a third a new car. You are asked to select a door. After you choose a door, Monty Hall opens from the remaining two doors a door with a goat. Now you have the option to keep your door or switch to the other door that Monty Hall did not open. What do you do? Do you stay with the door you initially chose or the third door?
The answer is that you should always switch doors. Play the game below to understand why.