Tag: light
Fireflies give scientists a bright idea
June 26, 2012You’ve probably seen them already: Flashes of light dotting your backyard as the sun dips below the horizon. Fireflies are an almost ubiquitous part of Pennsylvania summers, so much so that they were named the official state insect in 1974. Also called a lightning bug, these itty-bitty beetles create their telltale light through a process called…