| 1 | Then I released the shutter and set the firefly free. | |
| 2 | Microcosmos is published by Firefly Books later this month. | |
| 3 | The female of one species of firefly has learned to imitate the movesof another. | |
| 4 | These are bioluminescent chromatophores, and they glow in the dark like fireflies. | |
| 5 | Each blinking pattern is an optical signal that helps fireflies find potential mates. |