1,800 Miles Down: Scientists Uncover Mysterious Movements at the Edge of Earth’s Core

Deep within Earth, subtle variations in how seismic waves travel are revealing a hidden pattern of deformation in the planet’s lowest mantle layer. Deep beneath our feet, Earth’s mantle is in constant motion. Vast currents of slowly circulating rock, driven by heat from the planet’s interior, help move tectonic plates across the surface. But these […]



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