Rise of Oxygen –The Evolutionary Moment that Shaped Our Habitable Planet

      “Oxygen flooded into the atmosphere as a pollutant, even a poison, until natural selection shaped living things to thrive on the stuff and, indeed, suffocate without it,” wrote evolutionary biologist, Richard Dawkins, in The Greatest Show on Earth: The Evidence for Evolution. “In evolution, things always start small,” says lead author Greg … Continue reading Rise of Oxygen –The Evolutionary Moment that Shaped Our Habitable Planet