Knewz on MSN6h
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 ...
PBS3y
Impact on Animals
Would a dramatic change in the Earth's magnetic field affect creatures that rely on it during migration? Late on a January night in 1993 I found myself on a beach on the Pacific coast of Costa ...