The RMS Titanic is being consumed by iron-eating bacteria

Here's Why the Underwater Remains of RMS Titanic are Becoming Smaller Everyday · 3:27 · Video: Science ABC · Watch at the source

In short: The world's most famous shipwreck is vanishing, and it may be completely gone within 20 to 30 years. This video explores the biological and chemical processes—from specialized microbes to galvanic corrosion—that are systematically dissolving the vessel.

The decay of the Titanic is driven by a combination of extreme deep-sea conditions and biological activity. A specific bacterium, Halomonas titanicae, was discovered living within the ship's rusticles. These microbes form biofilms that colonize the wreck, actively consuming the iron. This biological erosion is compounded by galvanic corrosion, a process where the presence of brass accelerates the rusting of the ship's iron components.

Beyond the destruction, the study of these microbes offers a potential industrial application. Researchers are investigating whether these same iron-eating bacteria could eventually be harnessed to recycle metal from various ocean structures.

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