Why fireflies light up
Chapter 1
The chemistry of the glow
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Chapter 2
The language of light
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Chapter 3
The darker side of the glow
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Chapter 4
Fireflies in our changing world
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YOUR GOAL
Master of Why fireflies light up
Ch 1 · The chemistry of the glow
hank Firefly Bioluminescence
We mix luciferin with oxygen to ignite, wasting zero heat on this cold green light!
Fun Fact
Cold light efficiency: Fireflies convert 100 percent of their chemical energy into light, generating zero heat and outperforming any human-made lightbulb.
Glossary
bioluminescence (noun)
The biochemical emission of light by a living organism. Fireflies produce this cold light when abdominal luciferin reacts with oxygen in the presence of luciferase.
The biochemical emission of light by a living organism. Fireflies produce this cold light when abdominal luciferin reacts with oxygen in the presence of luciferase.