Organisms normally need light to produce oxygen through a process known as photosynthesis.
Manganese nodules on the ocean floor in the Clarion-Clipperton Zone. The image was taken with ROV KIEL 6000 during the SO239 expedition with RV SONNE in April 15. on the ocean floor may be able to produceused to make batteries, can produce oxygen even in complete darkness.
“I basically told my students, just put the sensors back in the box. We’ll ship them back to the manufacturer and get them tested because they’re just giving us gibberish,” Sweetman, head of the seafloor ecology and biogeochemistry research group at the Scottish Association for Marine Science,In 2021 and 2022, Sweetman and his team returned to the Clarion-Clipperton Zone, an area under the central Pacific known for having large quantities of polymetallic nodules.
were responsible for the oxygen production measured by the sensors — like a battery in which electrons flow from one electrode to another, creating an electric current, said Tobias Hahn, one of the co-authors of the study, in an interview.This hypothesis would add a layer to our understanding of how organisms came to exist under the sea, said Hahn, who focused specifically on the sensors used in the study experiments.
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