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263

TIL that humans are the only species prone to heart attacks

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X18D TIL that the NFL requires football fields to be built either facing north/south or in the shade so the sun doesn’t interfere with play.
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QNJ1M TIL The 2nd largest collection of Catholic relics - smaller than only the Vatican's - is in Pittsburgh, Pennsylvania.
ADJW7 TIL that the entire world's population could fit inside Los Angeles.