Scientists discover ‘dark’ oxygen being produced more than 13,000 feet below the ocean surface CNNShocking “Dark Oxygen” Discovery on Deep-Ocean Floor 13,000 Feet Below the Surface SciTechDaily‘Dark Oxygen’ Discovered Coming from Mineral Deposits on Deep Seafloor Scientific AmericanDiscovery of ‘dark oxygen’ from deep-sea metal lumps could trigger rethink of origins of life Livescience.comScientists Shocked by Electric Rocks Producing Oxygen in Deep Ocean Gizmodo