The Great Oxidation Event, which occurred between 2.1 and 2.4 billion years ago, fundamentally transformed Earth’s atmosphere and made complex life possible. Before this period, oxygen producing cyanobacteria had evolved hundreds of…
The Great Oxidation Event, which occurred between 2.1 and 2.4 billion years ago, fundamentally transformed Earth’s atmosphere and made complex life possible. Before this period, oxygen producing cyanobacteria had evolved hundreds of…