Bioluminescence​

Added: 2026-06-03

[00:00:00]Agitating dark ocean water can instantly trigger microscopic algae to fire brilliant blue lasers.

[00:00:07]Marine dinoflagellates use bioluminescence as a highly evolved chemical defense mechanism against predators.

[00:00:15]When mechanically disturbed by waves, electrical signals flood their internal vacuoles with protons.

[00:00:22]This sudden acidic voltage spike rapidly triggers an enzymatic reaction between luciferin and luciferase, instantly emitting cold blue light to startle attackers and attract larger secondary predators.

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