Study reveals more hostile conditions on Earth as life evolved

Journal Reference: G. J. Cooke, D. R. Marsh, C. Walsh, B. Black, J.-F. Lamarque. A revised lower estimate of ozone columns during Earth’s oxygenated history. Royal Society Open Science, 2022; 9 (1) DOI: 10.1098/rsos.211165 Using a state-of-the-art climate model, researchers now believe the level of ultraviolet (UV) radiation reaching the Earth’s surface could have been … Read more

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