Microbes hitchhiking on marine snow could limit how deep carbon sinks

PHYSorg
Mar 9, 2026, 3:00 pm183 pts
In some parts of the deep ocean, it can look like it's snowing. This "marine snow" is the dust and detritus that organisms slough off as they die and decompose. Marine snow can fall several kilometers to the deepest parts of the ocean, where the particles are buried in the seafloor for millennia.

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