.TYPE IS ACTUALLY Curing Americans to all kinds of spectacles. On April 8th thousands experienced a total sunlight eclipse. Many will be actually much less magnetized when, in the coming days, mountains of cicadas seem in the country's Midwest as well as south-east. The throng is going to be actually abnormally big considering that 2 kinds of the bug-- Family XIII as well as Brood XIX-- are arising simultaneously. The final opportunity they appeared all at once remained in 1803, when Thomas Jefferson was actually head of state. Why perform the cicadas possess such an unique life process?