The fly with the glowing bum

September 2025

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September 2025

Glowworms at Waipū Caves in Northland. Photo: Marcel Strelow
Long before humans could make fire, let alone a lightbulb, nature was already illuminating the dark.  Glowworms can be mesmerising, sparkling like stars or strings of fairy lights. But what are they and how do they glow? How do glowworms glow? Bioluminescence is the natural ability of living organisms to produce light through a chemical […]

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Julia Kasper

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