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Mystery Oxygen Source Discovered on the Sea Floor
Something is pumping out large amounts of oxygen at the bottom of the Pacific Ocean, at depths where a total lack of sunlight makes photosynthesis impossible. Nature: The phenomenon was discovered in a region strewn with ancient, plum-sized formations called polymetallic nodules, which could play a ...
Nature: The phenomenon was discovered in a region strewn with ancient, plum-sized formations called polymetallic nodules, which could play a part in the oxygen production by catalysing the splitting of water molecules, researchers suspect. The researchers were studying sea-floor ecosystems in the Clarion-Clipperton Zone, an area between Hawaii and Mexico that is larger than India and a potential target for the mining of metal-rich nodules. Once there, the module drives cylindrical chambers down to close off small sections of the sea floor -- together with some seawater -- and create "an enclosed microcosm of the seafloor," the authors write.
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