Many researchers have assumed that only animals with relatively complex brains--such as dolphins, apes, and birds--can distinguish between symmetrical and asymmetrical patterns. But a team of German ...

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 ...

In an early chapter of his interesting new book, Symmetry: A Journey Into the Patterns of Nature, Marcus du Sautoy describes a visit to the Alhambra, the great Moorish palace in Granada, Spain. He and ...