Staying cool is as much a mental as it is physical.  Tree shade works wonders to cut the heat index by 20 degrees on a sunny day.  Other animals know this.  Cattle find and stand under an old oak tree in the middle of a pasture and stay there. 

Seeing something cool or cool-appearing may help, too. 

Ghost plants, also called Indian pipes, emerge in mid-July.  These tiny, all-white herbs resemble a stem, leaves and flower made of snow.  A summer nickname for the ghost plant is ice plant.  Just looking at the tiny, all-white, stem, leaves, and flower has a chilling influence.

How does...