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Dark Oxygen in the Deep Sea: Discovery That Redefines How Oxygen Is Produced

Dark Oxygen in the Deep Sea: Discovery That Redefines How Oxygen Is Produced Scientists have discovered a phenomenon known as “dark oxygen” nearly 13,000 feet below the surface of the Pacific Ocean, overturning the long-held belief that oxygen can only be produced through sunlight-driven photosynthesis. At such depths, polymetallic nodules rich in manganese, nickel, cobalt, …

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