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TIL Cataract Surgery was done as early as the 5th century BCE using “couching” and evolved to use a syringe in the 11th century in the medieval Islamic world

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JYaEj TIL Germans have a tool to exactly cut boiled eggs. The tool is named an Eierschalensollbruchstellenverursacher.
Yk6B TIL Alabama still has a segregation law in their constitution and voted not to repeal it as recently as November 2012.
V9ak TIL traditional nail polish is not considered halal because it does not let water reach the nailbed - new “breathable” formulas were made to be worn by devout muslims
VrZk TIL Harald Hardrada was a Viking who fled from his native Norway to Russia, then went on to become an elite guardsman in Eastern Roman Empire and fought in Iraq. He then return to Russia to marry a princess and arrived back in Norway as a king and finally invaded England with his army.
LloP TIL the word “niggardly” is an adjective meaning “stingy” or “miserly,” and is completely unrelated to the racial slur “nigger” despite their phonetic similarity.