This lavishly illustrated book provides a hands-on, step-by-step introduction to the intriguing mathematics of symmetry. Instead of breaking up patterns into blocks--a sort of potato-stamp ...

A tale of forbidden symmetries. At first glance, designing wallpaper can seem as simple as a kindergarten art project. Designers can start with any combination of colors and forms for the first small ...

A new study helps bring the incredible color and pattern variation in butterflies into focus. The results align with a growing body of evidence that suggests butterfly-wing diversity really boils down ...