Episode Details

Earth’s inner core is spinning faster than the planet’s surface — a surprising twist revealed by seismic wave data from earthquakes over the past 60 years. While it slowed in the 1970s, recent trends show a clear acceleration since around 2010, possibly altering day lengths and influencing our magnetic field. Scientists are tracking this 70-year cycle, reminding us that beneath our feet, the planet is constantly shifting — quietly shaping our world.

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