Without Nickel, Life on Earth Could Finally Breathe - Universe Today
[/caption] Researchers have long puzzled over why oxygen flourished in Earth’s atmosphere starting around 2.4 billion years. Called the “Great Oxidation Event,” the transition “irreversibly changed surface environments on Earth and ultimately made advanced life possible,” said Dominic Papineau of the Carnegie Institution’s Geophysical Laboratory. Now, Papineau has co-authored a new study in the journal Nature, which … Continue reading "Without Nickel, Life on Earth Could Finally Breathe"