<p>In a previous episode we have mentioned that the magnetic field of the Earth through goelogical time has undergone variations in intensity and even <a href="https://en.wikipedia.org/wiki/Geomagnetic_reversal">reversals</a> with the north magnetic pole migrating to close to the south pole and vice versa for the south magnetic pole. How do we know this and what consequences for life on the planet could it have had?</p>

In a previous episode we have mentioned that the magnetic field of the Earth through goelogical time has undergone variations in intensity and even reversals with the north magnetic pole migrating to close to the south pole and vice versa for the south magnetic pole. How do we know this and what consequences for life on the planet could it have had?

<p>In a previous episode we have mentioned that the magnetic field of the Earth through goelogical time has undergone variations in intensity and even <a href="https://en.wikipedia.org/wiki/Geomagnetic_reversal" rel="noopener noreferrer">reversals</a> with the north magnetic pole migrating to close to the south pole and vice versa for the south magnetic pole. How do we know this and what consequences for life on the planet could it have had?</p>

023 The Big Magnetic Flip

The Arctic and the Antarctic are privileged locations for observers interested in understanding how our world is shaped by the forces of nature and the workings of history. These areas have inspired countless humans to undertake epic expeditions of discovery and have witnessed both great triumphs and miserable defeats. As a planetary litmus paper it is at the poles we can detect the effects of natural oscillations and human activities on the global ecosystems.

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023 The Big Magnetic Flip

023 The Big Magnetic Flip