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TIL During WWII, Robert Johnson II’s Permacell division of Johnson&Johnson invented duct tape as a sealant for ammunition boxes to keep them from becoming waterlogged.

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9wBPG TIL The square root of -1 exists and it’s called an “imaginary” number
BJKb TIL The first circus elephant in the United States (and possibly the first elephant brought to the US) was shot and killed by a religious fanatic who thought it was sinful for people to pay to see an animal.
XyX TIL the top floor of the Supreme Court building houses a gym, including a basketball court dubbed “the highest court in the land.”
J159j TIL that in Papua New Guinea, the 1971 Sorcery Act allowed for accusations of sorcery to act as a defence for murder until the act was repealed in 2013. An estimated 50–150 alleged witches are killed each year in Papua New Guinea.
rnr0 TIL in 2013 the Minnesota Court of Appeals revoked a man’s license after he repeatedly ignored warnings from law enforcement that he was driving too slowly on two-lane highways. He told a lower court judge that 48 mph is his Ford Ranger pickup truck’s “sweet spot” for gas mileage.