Scientists discover ‘dark’ oxygen being produced more than 13,000 feet below the ocean surface

Scientists discover ‘dark’ oxygen being produced more than 13,000 feet below the ocean surface | CNN
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Scientists discover ‘dark’ oxygen being produced more than 13,000 feet below the ocean surface | CNN

New research challenges a long-held assumption about oxygen in the deep sea, with scientists finding oxygen produced without photosynthesis in the Clarion-Clipperton Zone.