Manmade ＂Chameleons＂

FINDING chameleons is no easy task. As most school children could tell you,they have a peculiar knack for changing color.This unique ability is the product of specialized chromatophore cells-pigment-containing and light-reflecting cells found in many classes of animals,but not mammals.The crafty chameleon boasts chromatophore cells in three overlapping layers beneath a transparent outer skin.The location and movement of pigment within these layers,controlled by impulses from the brain,dictates color at

Manmade “Chameleons”