This plastic disappears in the deep sea—and microbes make it happen

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A new eco-friendly plastic called LAHB has shown it can biodegrade even in the extreme environment of the deep ocean, unlike conventional plastics that persist for decades. In real-world underwater testing nearly a kilometer below the surface, LAHB lost more than 80% of its mass after 13 months, while traditional PLA plastic remained completely intact. The secret? Colonies of deep-sea microbes actively broke down the material using specialized enzymes, converting it into harmless byproducts like CO and water.

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