Yesterday’s rugged flashlights can move aside. There’s an upgraded version in town, thanks to advancements in science and ...

In a process called bioluminescence, lightning bugs produce light through a chemical reaction in their body. Unlike a ...

* Fireflies operate at near 100% efficiency, with a trace amount of heat emitted from those flashes. Incandescent bulbs emit about 10% of their energy as light, with fluorescent bulbs coming in around ...