Deep ocean dark oxygen discovery could significantly alter our understanding of Earth's history and marine oxygen levels, providin...
In the total darkness of the depths of the Pacific Ocean, scientists have discovered oxygen being produced not by living organisms but by strange potato-shaped metallic lumps that give off almost as much electricity as AA batteries.
But four kilometres 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. The international team of scientists sent a small vessel to the floor of the CCZ aiming to find out how mining could impact the strange and little understood animals living where no light can reach."We were trying to measure the rate of oxygen consumption by the seafloor," lead study author Andrew Sweetman of the Scottish Association for Marine Science told AFP.
So they brought up some nodules to their ship to repeat the test. Once again, the amount of oxygen increased.On the surface of the nodules, the team"amazingly found voltages almost as high as are in an AA battery," Sweetman said.
Oceanic Oxygen Discovery Earth History Oxygen Deep Sea Oxygen Marine Oxygen Levels Oceanic Scientific Findings
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