Tweaking the pattern equations

Scientists offer update on Turing’s theory explaining the origin of stripes and spots

jaguar

DOING THE MATH  Spots like those on a cheetah’s coat may be governed by rules laid out by computer scientist Alan Turing. A developmental cell biologist now offers a slightly different take on Turing’s equations to explain how cell interactions may create natural patterns.

Tambako The Jaguar/Flickr (CC BY-ND 2.0)

SAN DIEGO — A mathematical tale of how tigers got their stripes and leopards acquired spots has undergone a slight revision.