Knewz on MSN1d
NASA Tracks a Mysterious Weak Spot Growing in Earth’s Magnetic Field, Describe It as a ‘Dent’ or ‘Pothole'
Understanding this is crucial not only for protecting modern technology but also for uncovering deeper insights into the ...
PBS12y
When Compasses Point South
As the time line at right shows, hundreds of times in our planet's history the polarity of the magnetic shield ensheathing the globe has gone from "normal," our current orientation to the north ...