An unexpected anomaly was found in the Pacific Ocean – and it could be a global time marker
There seems to be too much of a radioactive element in rocks deep in the Pacific Ocean – how did it get there 10 million years ago?
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Tracking South Atlantic anomaly: NASA's magnetic mystery zone
NASA is tracking the South Atlantic Anomaly (SAA), an unusual phenomenon in Earth's magnetic field. This region, characterized by a weakened magnetic field, has drawn scientists' interest and concern.