Since the 1950s, scientists have been trying to model possible scenarios why some animals have certain patterns of stripes. For example, instead of having just a black canvas, tigers have parallel stripes that are evenly spaced and perpendicular to the spine. In quest for the answer, researchers from Harvard Medical School have assembled a range…
http://sparkonit.com/2015/12/27/mathematical-model-shows-makes-animals-certain-pattern-stripes/