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Phys Org

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Team discovers 'dark oxygen' on the seafloor

Phys Org
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Andrew Sweetman discovered a source of oxygen production in the deep sea but ignored it for nine years .

The discovery of dark oxygen has shifted our understanding of life on Earth , says Sweetman .

He says the source could be polymetallic nodules, rock-like formations composed of lots of different metals, including manganese.

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