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 ...

Anything that we draw is made up of shapes. So let's draw some. First, let's hold our pencil in a tripod grip. Point, pencil, pinch. This can help control your pencil, but if it’s too tricky, don’t ...