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Scientists Unearthed The Earliest Direct Evidence Of Oxygen-Producing Photosynthesis (OPP) In A 1.75-Byr Old Bacteria Fossil In Australia & Canada, Pushing Back OPP Origin By 1.2 Byrs. The OPP Reshaped Earth’s Atmosphere, Potentially Aiding Complex Life Evolution, And Shedding Light On Photosynthesis Evolution & Earth’s History Impact.

Scientists Just Made a 1.75 Billion-Year-Old Discovery About the Origin of Life

https://www.vice.com/en/article/v7bjnj/scientists-just-made-a-discovery-about-the-origin-of-life

Newly-discovered 1.75 billion-year-old bacteria fossils shed new light on the Great Oxygenation Event, which led to the emergence of complex life.