Our changing world

The Earth's North magnetic pole is moving south at an accelerated rate, meaning that Alaska could lose the "Northern Lights" inside of fifty years.

And a 37-mile long fissure that split open in September in the Afar desert in Ethiopia could be the "birth of a new ocean basin," though that will take millions rather than tens of years.

These are reminders that our planet is on the move, that what we think of as "solid ground" is just an illusion of short timescales.

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