.CHARACTER IS Curing Americans to all sort of eyeglasses. On April 8th thousands saw an overall photovoltaic eclipse. A lot of will be actually less charmed when, in the coming times, trillions of cicadas appear in the country's Midwest and also south-east. The throng is going to be extraordinarily large since 2 kinds of the bug-- Family XIII and Family XIX-- are actually surfacing simultaneously. The last time they appeared together was in 1803, when Thomas Jefferson was head of state. Why do the cicadas have such an unusual life cycle?