.NATURE IS ACTUALLY Curing Americans to all type of spectacles. On April 8th millions saw a total sun eclipse. Lots of will certainly be actually much less magnetized when, in the coming days, mountains of cicadas appear in the country's Midwest and south-east. The swarm will certainly be uncommonly large because pair of sorts of the pest-- Family XIII and Family XIX-- are actually emerging concurrently. The last opportunity they showed up concurrently was in 1803, when Thomas Jefferson was president. Why perform the cicadas possess such an unique life process?