Scientists may have discovered ‘dark oxygen’ being created without photosynthesis NPRScientists find ‘dark oxygen’ being produced from metals on the seafloor The Washington Post‘Dark Oxygen’ Discovered Coming from Mineral Deposits on Deep Seafloor Scientific AmericanMystery oxygen source discovered on the sea floor — bewildering scientists Nature.comScientists discover ‘dark oxygen’ being produced by seabed metals in ground-breaking study CNBC