Collecting shells
Shell patterns
Cowries
History [of shell patterns]
Animals [with patterning] shown
Animal coloration
Implementation [of patterning model]
Features of the [patterning] model
Reaction-diffusion processes
Scales of patterns [on animals]
Excitable media
Examples [of reaction-diffusion] in chemistry
Maze-like patterns
Origins of randomness [in animal patterning]