How do fireflies light up?: Quick Facts

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Photos

Eastern firefly (Photinus pyralis) in flight at dusk with glowing green abdomen and open wings, set against a dark, blurred background in Georgia, United States.

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Topics

Bioluminescence firefly luciferase Luciferin Everything’s Illuminated: 6 Bioluminescent Organisms Marine bioluminescence How Do Glowworms Glow?