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Researchers discover 'dark oxygen' being created on the Pacific Ocean floorJuly 26, 2024 -
Thousands of fish die due to depleted oxygen levels in Oakland’s Lake MerrittAugust 29, 2022 -
Woman dies after smoking while on oxygenMarch 18, 2022 -
Ukraine faces medical crisis as hospitals run critically low on oxygenMarch 1, 2022 -
'We gave them oxygen to help them out': 4 puppies rescued after buildings catch fire in Chicago parkSeptember 30, 2021