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TIL catnip is 10 times more effective at repelling mosquitoes than DEET, the compound used in most insect repellents.

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VM1oD TIL about Harry Haft, a Polish boxer in the 40's who was trained in Auschwitz by Nazis to fight to the death for the amusement of military personel. He retired after fighting Rocky Marciano.
bOpp TIL Oral Roberts claimed he had a vision of a giant Jesus telling him to build a hospital. When the hospital was losing $10 million/year, Roberts claimed he had another vision from giant Jesus threatened to kill him if he didn’t raise $8 million. The hospital went bankrupt being $25 million in debt.
R5lL1 TIL that in 1947 Canada raised the price of chocolate bars from 5¢ to 8¢ without much notice. Children protested against this 62.5% increase throughout the country, and approximately 200 stormed the legislature building of British Columbia.
KO4wJ TIL of Dennis Tito, the first space tourist. He paid $20 million in 2001 to spend 7 days, 22 hours, and 4 minutes in space.
b6pD9 TIL that in 2018, MIT scientists created a plane powered by an Ion drive. The plane had no moving parts and was able to fly 60 metres powered solely by a flow of ions generated through electrodynamics which created thrust.