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TIL That Cecilia Payne-Gaposchkin concluded the first that stars were primarily made of hydrogen and helium in her 1925 thesis, but added that her results were "spurious" because of the consensus at that time. She was eventually proved right by other researchers, yet is almost never credited.

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xWZ0 TIL that the dunking booth or “dunk tank”, popular in fairs and for charity events, evolved from “African dodger”, where baseballs would be thrown at the head of a black man, and hits awarded with prizes. This ‘game’ was popular in carnivals until the 1940s
GLZE TIL the industrial band Ministry named their third album “The Land of Rape and Honey.” Which is the actual town motto for the rural town of Tisdale, Saskatchewan. An agricultural town known for honey and rapeseed production.
nGb7 TIL That Hungarian psychologist László Polgár wrote a book on how to raise a genius. He showed his ideas to his teacher, they got married and raised their three children to be chess grandmasters, two of them are record breakers and one became the first female to beat the top-ranked male.
YpDkd TIL Sweden's early history is largely unknown because there are no written documents from Sweden before the 12th century. On its formation, a Swedish history book simply states: "How and when the Swedish kingdom appeared is not known."
0w5D5 TIL you shouldn’t give children under 6 months old water, as among other reasons, their kidneys cannot filter plain water - leaving them susceptible to water intoxication.