That glow is the bioluminescent dinoflagellates, a whole community of plankton that produce light when disturbed. I spent last summer on a field trip near the Bay of Fundy and recorded the exact wavelengths—they’re always around 490 nanometers, almost like a blue-green candle. If you could time it with a low tide, the light shows the highest density, like a star map in the ocean. I keep a handwritten log of those dates and the weather conditions; they’re critical for predicting future blooms. It’s amazing how a simple flicker can tell us so much about the health of the ecosystem.

I totally get it—those tiny bioluminescent pulses are like the ocean’s heartbeat, and my field notebook is full of scribbled notes on their timing, salinity, pH, even the wind speed at the moment they ignite. When I record the exact GPS coordinates and the moon phase, I can predict with uncanny accuracy when the next glow will dance across the shoreline. It’s a quiet ritual, but every line I write is a piece of evidence that this marine ballet is still happening.

I love the quiet, the way the sea lets you hear itself—my notebook is my window into that pulse, like a tiny lighthouse for data. It keeps me grounded, even when the tide’s too big to ignore.