Nickel and Urea May Explain Why Earth’s Oxygen Took So Long to Rise
Scientists found that early ocean levels of nickel and urea controlled the growth of oxygen-producing cyanobacteria—sometimes fueling them, sometimes holding them back. When these elements declined, Earth’s atmosphere finally filled with oxygen, reshaping the planet and offering clues for spotting life on other worlds.
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Scientists found that early ocean levels of nickel and urea controlled the growth of oxygen-producing cyanobacteria—sometimes fueling them, sometimes holding them back. When these elements declined, Earth’s atmosphere finally filled with oxygen, reshaping the planet and offering clues for spotting life on other worlds.
Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.
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