How a Nerd Walks Up the Stairs

Your steps should be in a cycle: short, long, long. Long in this case means a double step. Thus, you will cover five stairs in one short-long-long cycle. In addition, you should always start the first cycle on the same foot. Suppose you start on the left foot, then after two cycles you are back on the left foot, having covered ten stairs. While you are walking the stairs in this way, it is clear where you are in the cycle. By the end of the staircase, you will know the number of stairs modulo...

 Dominance Battles in a Hand Shake

For some people, the car becomes a protective cocoon in which they can hide from the outside world. As they drive slowly beside the kerb, almost in the gutter, they can be as big a hazard on the road as the driver with the expanded personal space. These attitudes are transmitted unconsciously and, with practice and conscious application, the following hand shaking techniques can have an immediate effect on the outcome of a face-to-face encounter with another person. The information in this c...