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TIL that historically ketchup was made of mushrooms

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via reddit.com

xVEZb TIL In 1911, Mexican Government killed over 300 chinese inmigrants in the city of Torreón, Coahuila. The event touched off a diplomatic crisis between China and Mexico. At one point it was rumored that China had even dispatched a warship to Mexican waters
m1vXp TIL that the hooded pitohuis is a poisonous bird. In 1990, when museum workers tried to put the bird in a museum, their hands began to burn. They are the first documented poisonous birds.
KOO7Q Imagine yourself at a concert hall looking at a symphonic orchestra on stage. Have you ever noticed that high-pitched strings sit left of low-pitched strings? Going from left to right, one usually sees violins, violas, cellos and double basses. That is, one moves from high pitches on the left to low pitches on the right. Why? The orchestra’s arrangement is not a cultural oddity, like driving on the right side of the road. Rather, it is due to our own biological makeup. Higher pitches tend to be better processed by the left hemisphere of the brain, while lower pitches tend to be better processed by a similar region in the right hemisphere. This organisation is thought to have repercussions far beyond music, perhaps even helping to explain why language is mostly processed in the left hemisphere. So the part of my brain that better processes high sounds sits where the higher-pitched instruments sit: on the left. But that’s not the end of the story.
89KZ TIL that each king in a deck of playing cards represents a great king from history. Spades represent King David, Clubs represent Alexander the Great, Hearts represent Charles VII, and Diamonds represent Julius Caesar. Same applies to Queens and Knaves also.
Zn5Y TIL that the US Air Force connected 1,760 PlayStation 3’s together to build supercomputer