These waves, glowing mysteriously on an August summer night, are just off the coast of Monterey Bay in California.
It's a phenomenon you might even have seen yourself.
An ocean lit up at night with countless tiny flashes.
But what causes this striking phenomenon?
Where does the light come from?
Bioluminescence is produced by an incredible range of organisms.
Some bioluminescent organisms, like fungi, are found on land, but most of them live in the ocean.
For bioluminescence, creatures require two unique chemicals.
And here's how it works.
The enzyme luciferase causes a chemical reaction.
