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A team of scientists has discovered that oxygen is produced 4,000 metres below the ocean surface, where light cannot penetrate. Experts say it is a “fascinating” discovery but one that raises many questions.
What they found « Questioning what we know about the origins of life on Earth » An international team of researchers claims to have found that metallic minerals at the bottom of the ocean generate oxygen on their own in complete darkness. Their results were published on Monday in the journal Natural Geosciences, Come, they say, « challenge » The idea that only photosynthetic organisms can naturally produce oxygen using the sun’s energy.
Professor Andrew Sweetman’s team from the Scottish Association for Marine Science (SAMS) made the discovery while probing the seafloor. Clarion-Clipperton Region, Between Hawaii and Mexico stretches over 4.5 million square kilometers. In this area, at depths of more than 4,000 meters, parts of the seafloor are dotted with billions of tons of polymetallic nodules, large metallic pebbles composed mainly of manganese and iron, but also…
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