A giant green neon frog may jump again in downtown Chattanooga. An effort is underway to restore the Ellis Restaurant sign at 1443 Market St. across from the Chattanooga Choo Choo. In its heyday ...

This technique, called startle coloration, may give a bird or snake pause, offering a precious instant for the frog to spring to safety. Their neon-green bodies may play a similar role in ...