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TIL Some scholars believe smiling was an invention of the Middle Ages and point out that not all cultures today use smiles to show happiness. This challenges the popular notion of 7 universal facial expressions.

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via reddit.com

8a4ZV TIL Teddy Roosevelt Drank a Gallon of Coffee a day. He also allegedly came up with the Maxwell House slogan, “Good to the Last Drop””, as well.
jARE TIL if we could see the Andromeda Galaxy in the sky with the naked eye it would appear several times larger than the moon.
m1nWY TIL King Henry I of England, ignoring the advice of his physician, died from eating too many lampreys.
wgD7 TIL that at around 5PM EST is when the greatest proportion of the world is sleeping (55-60%)
VMlo8 TIL, Aboriginal Australian tribes have no words for left, right, forward, or backward in their language. They only use cardinal directions to describe locations of everything around them, knowing where north and south are at all times, essentially being human compasses