.NATURE IS ACTUALLY Curing Americans to all type of spectacles. On April 8th millions observed a total solar eclipse. Several will be less mesmerized when, in the coming days, mountains of cicadas show up in the nation's Midwest and also south-east. The flock will certainly be actually uncommonly large given that two sorts of the insect-- Family XIII and Brood XIX-- are actually arising concurrently. The final opportunity they showed up concurrently was in 1803, when Thomas Jefferson was president. Why do the cicadas have such an unusual life process?