Scientists discover "dark oxygen" produced by deep-sea rocks, challenging photosynthesis-only origins.
Scientists have found that rocks on the deep ocean floor can produce oxygen without sunlight, challenging the belief that oxygen can only come from photosynthesis. This "dark oxygen" is created through electrolysis by metal-rich nodules found deep in the Pacific Ocean. The discovery, made by British researchers, could have implications for understanding life in extreme environments and on other planets. The team, collaborating with NASA, is studying sites over 10km deep using submersibles to explore this phenomenon further.
2 months ago
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