Summer is synonymous with fireflies–nature’s quiet, light show. Fond childhood memories often include catching fireflies on summer evenings, while running barefoot in lush, green lawns. I hold these memories dear as our family sat on the porch and in lawn chairs conversing after dark, while us kids ran around the yard chasing lightning bugs. Wanting to keep mine a while longer, I put them in a glass jar to sit atop my bedside table. With my parents’ help, we poked holes in the jar lid, giving...