.CHARACTER IS TREATING Americans to all type of spectacles. On April 8th thousands observed a complete solar eclipse. Numerous are going to be actually less magnetized when, in the coming days, mountains of cicadas seem in the nation's Midwest and also south-east. The swarm is going to be actually unusually big because two types of the insect-- Brood XIII as well as Brood XIX-- are emerging concurrently. The final opportunity they appeared at the same time was in 1803, when Thomas Jefferson was actually president. Why do the cicadas have such an unusual life process?