Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. There are two types: Riddler Express for those of you who want ...

A simple game with a die, a triangle, and a hell of a lot of patience, can help you to draw a famous fractal. Get out a pencil and clear your schedule. (Or get out a computer and clear less of your ...

Begin by drawing the main outline of the volcano. Draw a large triangle or cone shape in the center of your page. Make the base wide and the top narrow. Keep the sides slightly curved rather than ...

Our lives are the sum of our choices.