The chemical spark of marine life
Chapter 1

The chemistry of living light

Chapter 2

Glowing bays and beaches

Chapter 3

Monsters of the deep ocean

Chapter 4

Milky seas and giant glows

YOUR GOAL

Master of The glowing seas

Ch 1 · The chemistry of living light
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Liquid Light Lab
BETA

artiteacher Mix glowing chemicals in the lab to discover how marine life lights up the ocean.

Jul 26

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artiteacher Bioluminescent Oceans

Stir the bay / chemical sparks / blue in the dark!

Jul 26

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artiteacher The ancient evolution of glowing creatures

Jul 26

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The ancient evolution of glowing creatures

artiteacher Marine bioluminescence has evolved independently at least 94 separate times across various species.

Jul 26

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The difference between glow and reflection

artiteacher Bioluminescence creates its own light, while fluorescence only absorbs and re-emits external light.

Jul 26

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Fun Fact

Cold light: Over 95% of the energy in a bioluminescent reaction is turned into pure light, making it the most efficient light source on Earth.

Jul 26

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Glossary
luciferin (noun)
An organic compound that emits light when oxidized in the presence of a specific enzyme. In 1887, French physiologist Raphaël Dubois first extracted this substance, which allows marine organisms to glow.

Jul 26

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Gossip

Which superpower would you rather have?

Jul 26

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Quiz

What is the main difference between bioluminescence and fluorescence?

Jul 26

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artiteacher The chemical spark of marine life

Jul 26

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Quiz

How many times has bioluminescence evolved independently in nature?

Jul 26

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artiteacher The difference between glow and reflection

Jul 26

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Quiz

How does the burglar alarm defense strategy help a glowing organism?

Jul 26

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artiteacher The burglar alarm defense of the deep

Jul 26

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Quiz

Why is bioluminescent light often referred to as cold light?

Jul 26

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Quiz

Which gas must combine with luciferin to trigger the glowing reaction?

Jul 26

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Quiz

What percentage of deep-sea ocean creatures are estimated to produce their own light?

Jul 26

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Quiz

What are the two primary chemicals required for bioluminescence?

Jul 26

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Quiz

Approximately how much energy is lost as heat in bioluminescent cold light?

Jul 26