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TIL the Hatian Revolution is the only recorded successful slave revolt

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5YOPk TIL that patients who suffered from aphasia, the inability to express speech, can start to produce words by singing. This is because aphasia damages the left hemisphere of the brain, while singing uses the right hemisphere.
OolEa TIL No authentic writings of Pythagoras have survived. Almost nothing is known for certain about his life. The earliest source describes Pythagoras helping a dog that had been beaten. Pythagoras thought he could recognise his friend's voice in the dog's cries.
gMZe4 TIL burning incense sticks causes lung irritation and can lead to mutations in bacterial cultures. Despite not being on par with cigarette smoke, incense smoke is much worse than other scented alternatives.
MenQV TIL A Wankel Engine doesn't use pistons, but instead a rounded triangle that would spin in a combustion chamber. The last production car to use one came out in 2003, including a model that could use both hydrogen and gasoline in the same engine.
nepwb TIL Mick Jagger once sought help from a sex addicition therapist, but ended up seducing the therapist.