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TIL That a woman experienced a Brazil Nut allergy after the allergen was passed to her from her partner's semen during intercourse. The researchers believe this to be the first case of a sexually transmitted allergic reaction.

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4yD6 TIL in 1919 after becoming an officially secular country, Uruguay renamed the holidays of Christmas Day to “Family Day”, Holy Easter Week to “Tourism Week”, and Epiphany to “Children’s Day”
JoMB TIL Thomas Jefferson built a clock on the outside wall of his house with only an hour hand, as he believed an hour hand would be accurate enough for his slaves
JYKm8 TIL that it wasn’t until 1935 that a manufacturer was able to promise “splinter-Free Toilet Paper.”
9YVyr TIL A 48 year old man in Ohio was arrested because he would not stop cutting the grass at the local public park. The grass was over 12 inches long, so he decided to cut it. He claimed he was just trying to save the city some money.
lA8K TIL Derreck Kayongo collected barely-used bars of soap from hotels, melted them together, and distributed them to poor countries. He’s the founder of the Global Soap Project, which improves access to basic sanitation and reduces disease and child mortality.