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A new study links continents and plate tectonics to the rise of oxygen on Earth

The rise of oxygen is one of the biggest puzzle in Earth’s history. Our planet’s atmosphere started out oxygen-free. Then, around 3.5 billion years ago, tiny microbes called cyanobacteria (or blue-green algae) learned out to carry out photosynthesis… Continue reading A new study links continents and plate tectonics to the rise of oxygen on Earth