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TIL Due to a hospital error, two pairs of Colombian identical twins were raised as two pairs of fraternal twins. One set was raised in rural farm setting, the other in a middle class urban setting

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oRD48 TIL How Thomas Jefferson Created His Own Bible
KJ8E TIL there’s a series of 70-foot-long concrete arrows that bisects the country longitudinally all the way from SF to NYC, all designed to direct aerial traffic. They are from the pre-digital age and were installed by the Federal government in 1924, coupled with light signals to guide the way.
xNW5 TIL that, despite having sold 40 million records worldwide, Rick Astley abruptly retired from music in 1993, at the age of 27, in order to spend more time with his newborn daughter. He wouldn’t produce any new material for the next 10 years, and it was another 14 before he went back on tour.
8aQla TIL Used Crayola crayons that are too small to grasp or too flat to draw with are named “Leftolas”. In 2003, the company asked kids around the country to send in blue “Leftolas”. Crayola received the equivalent of 123,000 crayons. They used it to create Big Blue, a 1,500lb crayon that’s 15ft long.
VBWD8 TIL of The Kardashev scale: A 1-4 scale method of ranking planetary civilizations based on how technologically advanced they are. On the scale, humans are currently at mere 0.73