In one episode of Sherlock, Watson discovers to his amazement that Holmes was not aware of the basic, preschool-level fact that the Earth revolves around the sun. That information is meant to result in shock from any recipient because of course the Earth revolves around the sun, and every single living being on the planet knows that. That Holmes is able to ignore such common information is a sign of what a unique individual he is, and that no one real could be quite like him. Well, ...