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TIL that “inner speech” (the voice you hear inside your head when you’re reading or thinking) is accompanied by tiny muscular movements in the larynx.

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p8Q1p TIL The symbol "℞", sometimes transliterated as "Rx", is recorded in 16th century manuscripts as an abbreviation of the late Latin instruction recipe, meaning 'take thou'. Originally abbreviated Rc, the later convention of using a slash to indicate abbreviation resulted in the modern common symbol.
7r1p TIL that ‘libra pondo’ a Latin phrase indicating weight is the reason pound is abbreviated as “lb”.
xVE77 TIL Angelo Poffo, father of Macho Man Randy Savage, destroyed the World Record for consecutive sit-ups with 6,033 in 4 hours and 10 minutes. This record is still unbroken.
4g6X TIL that there is a non-profit group in Detroit that has planted more than 81,000 trees in the city since its inception in 1989. It is successfully promoting urban farming and reclaiming of vacant lots for new greenspace.
rRjao TIL That humans have stripes along our body called Blaschko's lines that we can't see, but cats can!