Theory on how oxygen came to be on Earth

By Jamie Harris
Updated December 11 2019 - 10:33pm, first published 10:28pm
Oxygenated air may have come about via internal feedbacks in phosphorus, carbon and oxygen cycles.
Oxygenated air may have come about via internal feedbacks in phosphorus, carbon and oxygen cycles.

The oxygenation events that paved the way to intelligent life roaming Earth may have been more spontaneous than believed, according to a British study.

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