.NATURE IS ACTUALLY Curing Americans to all sort of spectacles. On April 8th thousands saw a total photo voltaic eclipse. Numerous will certainly be less magnetized when, in the coming days, mountains of cicadas appear in the nation's Midwest as well as south-east. The swarm will be abnormally large since two sorts of the bug-- Brood XIII and also Family XIX-- are actually arising concurrently. The last time they seemed simultaneously resided in 1803, when Thomas Jefferson was actually president. Why do the cicadas have such an unique life cycle?