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TIL that the average number of credit cards per U.S. cardholder is 9.5

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9wLlD TIL Kallanai Dam is The Oldest Dam in the World Still in Use
9YKKD TIL a sense of humor belongs to the set of strengths positive psychologists call transcendence; together they help us forge connections to the world and provide meaning to life. Appreciation of humor correlates with other strengths, too, such as wisdom and love of learning.
XEbdR TIL The bouba/kiki effect is a non-arbitrary mapping between speech sounds and the visual shape of objects. 95% to 98% selected the curvy shape as "bouba" and the jagged one as "kiki", suggesting that the human brain somehow attaches abstract meanings to the shapes in a consistent way.
M7Gjb TIL that in 1918, Constance Markievicz was the first woman elected to the House of Commons. Markievicz was an Irish republican and refused to take her seat in line with Sinn Fein policy to protest the British empires involvement in Ireland
W6BN TIL that Otto von Bismarck challenged a rival politician to a duel, but backed out after learning that his opponent choose to fight with two pork sausages, one infected with roundworm.