A zebra’s stripes, a seashell’s spirals, a butterfly’s wings: these are all examples of patterns in nature. The formation of patterns is a puzzle for mathematicians and biologists alike.

Weird circles keep popping up around the world, but Alan Turing predicted them in 1952. Here's what they mean—and how the legendary scientist got them so right.

Using points to trace out spirals produces intriguing secondary patterns. Skip to content. ... An example of a Fermat’s spiral mandala. ... Science News was founded in 1921 as an independent, ...

Examples of human chromosome banding patterns (new). In each set of four chromosomes, the first two are homologs from one cell, while the 3rd and the 4th are examples from other cells.