The movement of waves, patterns that carry sound, light or heat, through materials has been widely studied by physicists, as ...

In psychological studies of visual perception, symmetry is accepted as a potent cue in visual search for cryptic objects, yet its importance for non-human animals has been assumed rather than tested.

A leopard is chasing a zebra, bound to follow the laws of nature and natural selection, down a sand dune and across a plain of dried mud, bound to the laws of geology and sediments. The stripes of the ...

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 ...