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Fireflies light up using luciferin and luciferase

Fireflies light up using luciferin and luciferase

Fireflies light up using luciferin and luciferase

Firefly glow comes from luciferin reacting with the enzyme luciferase — bioluminescence so efficient it is nearly “cold light.”

Flashes are mating codes in the dark; the same chemistry later powered biomedical research tools.

Romance invents a flashlight. A summer field is a chemistry set signaling in Morse.

Shahzad Mahota Shahzad Mahota @shahzad-mahota

Fireflies light up using luciferin and luciferase