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, ...

Design veterans know that the difference between a blockbuster product and a total flop isn’t always about materials or high-tech features. Sometimes it all comes down to color—and consumer preference ...

Embedded GUIs are growing more elaborate day by day. Developers now have to contend with such arcana as a color palette. Another reader wanted to know how to pick the ideal set of colors in a color ...

In a recent article, mathematicians explain the use of tools from the branch of mathematics called graph theory to systematically analyze Sudoku puzzles. They also find that analyzing Sudokus leads to ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Coloring apps — which let ...

Providence, RI -- Have you ever been trying to solve a Sudoku puzzle and been gripped by a sinking feeling that maybe you were stuck with a lemon" That maybe the puzzle you are struggling with ...

Are you a print subscriber? Activate your account. By Erika Wheless - 38 min 25 sec ago 53 min 25 sec ago 1 hour 20 min ago By Ewan Larkin - 3 hours 38 min ago 3 hours 38 min ago By Sabrina Sanchez - ...