The discovery made headlines in Nature and Science simultaneously. By June, Mr. Plankton was a global phenomenon. Unlike the giant viruses or the bizarre Asgard archaea, this creature was relatable: it was a plankton, a drifter, the humblest of life forms. Yet it carried the secrets of survival in its core.
In the spring of 2024, the RV Calypso Dawn drifted over the Puerto Rico Trench, the deepest part of the Atlantic. Chief Microbiologist Dr. Elena Mirov stared at her screen, watching a cascade of genetic data that shouldn’t exist. MR. PLANKTON -2024-
In October, a research submersible returned to the Puerto Rico Trench. Elena descended in a titanium sphere, her face lit by the blue glow of bioluminescent particles. At 8,000 meters, the sediment was churning. A bacterial mat that had been documented for decades was gone, replaced by a vast, gelatinous biofilm. And at the center, pulsing with rhythmic contractions, was a structure that looked like a primitive gut. The discovery made headlines in Nature and Science