.CHARACTER IS TREATING Americans to all type of spectacles. On April 8th thousands experienced an overall solar eclipse. Numerous will definitely be actually less mesmerized when, in the coming days, trillions of cicadas show up in the country's Midwest and also south-east. The throng will be abnormally big since pair of kinds of the bug-- Brood XIII as well as Brood XIX-- are developing concurrently. The last time they seemed all at once resided in 1803, when Thomas Jefferson was actually head of state. Why carry out the cicadas have such an unique life cycle?