Earth’s Inner Core Rotation Slows Down

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Researchers from the University of Southern California, led by John Vidale, have confirmed that the Earth's inner core has slowed its rotation relative to the planet's surface, starting around 2010. Published in Nature, this groundbreaking study shows that for the first time in decades, the inner core is moving slower than the Earth's mantle. By analyzing seismic data from repeating earthquakes, the scientists discovered that the core’s slowdown is likely influenced by the liquid outer core's dynamics and gravitational interactions with the rocky mantle. This finding may slightly alter the length of a day, though the change is almost imperceptible.

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How does this effect gravitational pull on the outer core? Would this not increase?
Can someone gives me insight...if p waves have increased and the magnetic pull is reversed.

SnowMcCall