During a morning hike to the Maya Jaguar schools on our recent trip to Guatemala, my daughter spotted a gorgeous butterfly with vibrant purple and yellow wings. As we scrambled along the rocky jungle trail trying to get a better glimpse, we noticed that the color vanished completely when the butterfly landed and closed its wings. The underside of the wings appeared with an intricate grey and white pattern of lines and circles mimicking the lichen growing on damp fallen logs. As a result, the butterfly virtually disappeared when its wings weren’t being used to fly. As we continued our walk up to the school, I was reminded of the yoga class I taught the girls the previous afternoon. The “B