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193

TIL Stephen Hawking turned down a knighthood from the Queen because he disliked the whole concept of titles

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4XrPa TIL that a material's melting point is the same as its freezing point. These are just different terms for the same thing, it just depends on whether energy is being removed from a substance (freezing) or if energy is being added to a substance (melting).
nWv1G TIL The lacrimal punctum is a small hole in your eyelids that drains tears to the nose. It's the reason you get a runny nose after crying.
7007 TIL that in pre-famine Ireland, the average farmer would eat between ten and fourteen pounds of potatoes a day.
ypQJ TIL Charles Redheffer was an American inventor who claimed to have invented a perpetual motion machine, He was later exposed when an engineer found a hidden cord that led to an upper floor. Upstairs he found an old man who was turning a hand-crank with one hand and eating bread with the other
WbN8 TIL that WalMart and McDonalds are the 3rd and 4th largest employers in the world; only the armies of the United States and China employ more people.