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Earth's True North and South Poles Have Wandered Four Times Over the Past 320 Million Years, Study Suggests

The phenomenon, which involves the geographic poles, is distinct from when the magnetic poles move. The planet's solid crust and molten mantle occasionally shift and subsequently reorient themselves during what's called true polar wander

Earth's True North and South Poles Have Wandered Four Times Over the Past 320 Million Years, Study Suggests

We haven't written up this one. Smithsonian has the full story — the link below goes straight to it.

Read the original at smithsonianmag.com →

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Architecture

What is Architecture? When most think of architecture, they envision skyscrapers, cantilevered homes, or marbled museums. In this case, architecture isn’t the built environment.

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