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TIL of Radithor, a health drink in the 1920s that contained radium and slowly killed its customers. But it didn’t cause a public health crisis because it could only be afforded by rich people (unlike cheaper, safer knockoffs)

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xVb8D TIL Approximately 80 percent of current US astronauts wears eye correction (i.e. glasses or contact lenses). As long as the astronauts' vision is correctable to 20/20, they're allowed to fly
4kgEX TIL: The current estimated time that it would take to free fall to the center of the earth is 38 minutes and 11 seconds.
JYjLm Til that 'the Pale' was the small part of Ireland directly controlled by English during medieval times and that it refers to the stakes that hold together fences, from which we get 'Beyond the Pale'.
R5w6w TIL Phill Lewis (Mr. Mosby from the Sweet Life of Zach and Cody) was convicted of manslaughter and driving while intoxicated in 1991
ANKen TIL William James Sidis, a man to have been deemed the smartest person to have ever lived with an IQ of 250-300, died at the age of 46 due to none other than a brain hemorrhage.