.NATURE IS ACTUALLY Curing Americans to all kinds of eyeglasses. On April 8th millions saw a total sun eclipse. Many will definitely be actually much less charmed when, in the coming times, trillions of cicadas show up in the nation's Midwest and south-east. The swarm will certainly be uncommonly big because pair of forms of the bug-- Brood XIII and also Family XIX-- are arising concurrently. The last time they seemed at the same time resided in 1803, when Thomas Jefferson was president. Why perform the cicadas have such an unusual life process?