.NATURE IS ACTUALLY TREATING Americans to all type of eyeglasses. On April 8th thousands saw a complete photo voltaic eclipse. Numerous will definitely be actually less magnetized when, in the coming days, trillions of cicadas show up in the nation's Midwest and south-east. The flock is going to be unusually sizable given that pair of forms of the insect-- Family XIII as well as Family XIX-- are actually surfacing all at once. The last time they showed up concurrently remained in 1803, when Thomas Jefferson was head of state. Why perform the cicadas possess such an unusual life process?