→ 50 Things we know now that we didn't know this time last year

Grumpy people think more clearly because negative moods trigger more attentive, careful thinking.

The calmest place on Earth is on top of an icy plateau in Antarctica known as Ridge A, several hundred miles from the South Pole. It is so still that stars do not twinkle in the sky because there is no turbulence in the atmosphere to distort the light.

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