.CHARACTER IS Curing Americans to all sort of eyeglasses. On April 8th millions experienced a complete photovoltaic eclipse. A lot of will be actually much less mesmerized when, in the coming times, trillions of cicadas show up in the nation's Midwest as well as south-east. The swarm will be actually abnormally huge because two types of the insect-- Brood XIII and Family XIX-- are actually arising concurrently. The final time they appeared at the same time resided in 1803, when Thomas Jefferson was actually head of state. Why perform the cicadas have such an unusual life cycle?