<p>Microbes, like this single-celled marine phytoplankton, make up a staggering 90 percent of the ocean’s total biomass. Because such organisms are so difficult to observe in nature, much of the ocean’s microbial life remains a mystery to science.</p>

Protoperidinium Pellucidum

Microbes, like this single-celled marine phytoplankton, make up a staggering 90 percent of the ocean’s total biomass. Because such organisms are so difficult to observe in nature, much of the ocean’s microbial life remains a mystery to science.

Photograph by Stephanie Valentin and David Patterson, micro*scope

Marine Microbes

Microbes make up a staggering 90 percent of the ocean’s total biomass, but many of them remain a mystery to science.

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