For many people, the gentle blinks of fireflies flashing are a favorite part of summer evenings. An entomologist explains some lightning bug basics.
Harnessing the awe-inspiring living light and power of bioluminescent organisms could change the human world.
You can see glow-in-the dark paint, but if you touch it, it is just as cold as the bedroom wall. So the glowing of the paint is different to the glowing of a light bulb.
Beneath their beautiful, flashing facade some female fireflies are ruthless predators.