Color-by-numbers apps are really popular on the App Store right now, with four different apps rising to the top of the free apps chart. The apps have a combined 3.2 million downloads over the past ...

A detail of the Mandelbrot set, a fractal named after Benoit Mandelbrot, the French mathematician who investigated it in the 1970s. If you were to zoom in at any point on the intricate, wiggly line, ...

These Halloween Color-by-Number pages are such a cute and easy way to get kids excited for spooky season! They’re perfect for parties, classrooms, or just a rainy day activity at home. Back when I ...