.TYPE IS TREATING Americans to all kinds of eyeglasses. On April 8th thousands witnessed an overall photovoltaic eclipse. Many will be much less charmed when, in the coming days, trillions of cicadas appear in the nation’s Midwest as well as south-east.
The throng will definitely be actually uncommonly sizable since two kinds of the pest– Brood XIII and Brood XIX– are emerging at the same time. The last opportunity they seemed together was in 1803, when Thomas Jefferson was actually president. Why do the cicadas possess such an unique life cycle?