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  "title": "When the Earth's North and South Poles Reverse",
  "subtitle": "The Science, History, and Human Impact of Geomagnetic Reversal",
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      "seq": 1,
      "text_type": "02",
      "text": "Earth's magnetic field has flipped its polarity many times over geological history, and evidence suggests it will happen again.",
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      "text": "Earth's magnetic field has flipped its polarity many times over geological history, and evidence suggests it will happen again. This book examines the science behind geomagnetic reversal, from the mechanics of the planet's molten core to the paleomagnetic records preserved in rock formations that reveal past reversals. You will learn how researchers date and study these events, what is known and still uncertain about their causes and timing, and how a weakening or shifting field might affect satellites, power grids, navigation systems, and living organisms. The book also places reversals within the broader history of Earth's magnetic behavior, offering context for current scientific monitoring and discussion. Written with the assistance of artificial intelligence and reviewed for accuracy, this book offers a clear, factual introduction to a complex geological phenomenon, intended for readers seeking a grounded understanding rather than speculation.",
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      "text": "Earth's magnetic field has flipped its polarity many times over geological history, and evidence suggests it will happen again. This book examines the science behind geomagnetic reversal, from the mechanics of the planet's molten core to the paleomagnetic records preserved in rock formations that reveal past reversals. You will learn how researchers date and study these events, what is known and still uncertain about their causes and timing, and how a weakening or shifting field might affect satellites, power grids, navigation systems, and living organisms. The book also places reversals within the broader history of Earth's magnetic behavior, offering context for current scientific monitoring and discussion. Written with the assistance of artificial intelligence and reviewed for accuracy, this book offers a clear, factual introduction to a complex geological phenomenon, intended for readers seeking a grounded understanding rather than speculation.",
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