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Ancient Ocean Found Deep Within Earth
Scientists have uncovered a hidden ocean three times larger than all surface waters, trapped deep in Earth’s mantle within a mineral called ringwoodite. Detected through seismic waves, this ancient reservoir challenges our understanding of Earth’s water cycle and planetary evolution, suggesting water has been sequestered since the planet’s birth—shaping volcanoes, tectonics, and even our atmosphere. Researchers now aim to map its extent and study how water behaves under extreme pressure, revealing a new frontier in planetary science beneath our feet. Support the show:Get a discount at…
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