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TIL of the Iron Ring Ceremony, where Canadian engineers are given a ring worn on the pinkie finger to remind them of their professional responsibility for safety. It began after two bridges collapsed in 1907 and 1916.

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4r4b TIL that a 2014 UC Berkeley survey found that Arts and Humanities majors have most sex, while Science and Engineering majors had least sex, over HALF of the engineering major respondents were virgins
nepRo TIL: Dexter Holland of The Offspring wrote their hit "Gone Away" after his girlfriend was killed in a car accident
dDkRE TIL that in 1986, a group of metal singers did an event called "hear 'n aid" to raise funds for Africa. It was organized by Ronnie James Dio and his band. This happened apparently because nobody of the metal scene was invited to the more mainstream fun rising event called "We Are the World".
aJVo TIL that there’s a mathematical formula, that when graphed, can visually reproduce itself
W0QL TIL that if you earn more than $25,000 annually, you’re in the top 10% of the world’s income earners. If you earn more than $50,000 a year, you’re in the top 1% of the world’s income earners.