Cicadas are about to take over. Here's what you should know / Why cicadas are popular among daring foodies in China and are consumed as a delicacy / Hear the sound as billions of cicadas emerge in US / What you need to know about the historic cicada emergence / Can you eat cicadas? Yes - and here are 3 recipes to try. / The 'Great Southern Brood' of cicadas has emerged / Cicadas on the menu in New Orleans / Billions of cicadas to emerge