Up to 60 billion cicadas are about to emerge in St. Louis. Here’s what you need to know

Up to 60 billion cicadas are about to emerge from the ground in St. Louis for the first time in 13 years. Nicole Pruess, invertebrate keeper at the Sophia M. Sachs Butterfly House, talks about this extraordinary occurrence and how periodical cicadas are a nutritional boon to the region’s wildlife — and even its human residents.