Polymetallic nodules found in deep ocean regions may act as 'batteries in a rock,' splitting seawater into hydrogen and oxygen through electrolysis.
The discovery raises questions about where aerobic life could have originated and the need for a reevaluation of traditional theories on oxygen production and the beginnings of complex life forms.
The research challenges the conventional belief that oxygen was initially produced solely by cyanobacteria, prompting a reconsideration of alternative sources for oxygen creation.
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