Earth's inner core reversed direction and is slowing down, and scientists don't know why

Tech Insider
illustration of earth's 4 planetary layers: the crust, mantle, outer core, and inner core
Earth's inner core has been exhibiting some unusual behavior.

Christoph Burgstedt/Getty Images

Fountains of diamonds erupt from the ground when continents break up, say scientists — and it could help uncover new deposits

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A person looks closely at a diamond being auctioned off.
A model holds a rare blue diamond in Geneva on November 3, 2022.

FABRICE COFFRINI/AFP via Getty Images

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