Why Do Buses Come in Threes

"Deals in a very entertaining way with problems in normal life related to mathematics, luck, coincidence, gambling." - The Independent (London)

Why do your chances of winning the lottery increase if you buy your ticket on Friday? Why do traffic lights always seem to be red when you''re in a hurry? Is bad luck just chance, or can it be explained?

The intriguing answers to these and other questions ab...