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Origin of Geomagnetism: Bumbling in the Dark Past

When did the Earth get its magnetic field? It's important because life depends on it. Watch MIT fumble and stumble over the question.

Stalactite Indicates Ultrafast Magnetic Reversals

Contrary to what geophysicists have claimed for decades, magnetic reversals may occur 'ridiculously quickly.' Or is confidence in experts ridiculous?

Are Paleomagnetic Measurements Reliable?

Dating of past geophysical history depends on magnetic measurements that may be in error.
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