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A Black Goo Was Oozing From a Ship on the Great Lakes — and Teeming with Life

GREAT LAKES REGION, AUG 1 – Researchers found unknown microorganisms in a black, tar-like substance that may aid biofuel production and could impact ship maintenance through biocorrosion, university officials said.

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By Taylor Nicioli, CNN (CNN) — Research vessel Blue Heron trawls the Great Lakes, gathering data from the water. The floating laboratory’s most recent discovery, however, came from an unexpected location: its own rudder. While docked after a long cruise to study algae blooms in lakes Erie and Superior in September, the crew noticed a black, tar-like substance oozing from the rudder shaft, the mechanism that allows the 87-foot-long (nearly 27-met…

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Scientists happened upon black goo on a ship — and discovered it was teeming with life

A Great Lakes research vessel had goo leaking from its rudder shaft. Scientists later found it contained previously undiscovered microorganisms.

·Atlanta, United States
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A discovery on the board of a research ship has inspired scientists. The Blue Heron vessel is a floating laboratory that explores Marie Lacuri, collecting data from water. Surprisingly, it's...

The Blue Heron research ship sails through the Great Lakes, in the United States, collecting water data. However, the latest discovery of the floating laboratory came from an unexpected location: its own nest. While it was caught after a long cruiser to study the spread of algae in the Lakes Erie and Superior in September, the crew noticed a black substance, similar to the altarron, emptying from the base axis, the mechanism that allows the ship…

·Brazil
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WAAY-TV broke the news in Huntsville, United States on Friday, August 1, 2025.
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