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🔴 ‘Dark oxygen’ in depths of Pacific Ocean could force rethink about origins of life
“It had been thought that only living things such as plants and algae were capable of producing oxygen via photosynthesis – which requires sunlight.
But four kilometres (2.5 miles) below the surface of the Pacific Ocean, where no sunlight can reach, small mineral deposits called polymetallic nodules have been recorded making so-called dark oxygen for the first time.”
