› added 7 years ago

520

TIL “Radium Girls” painted clock dials with self luminous paint, and would then apply the same paint to their teeth, nails and skin to give a glowing appearance. Their remains are still highly radioactive and glow to this day due to the 1600 year half life of Radium.

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LY0P TIL It takes 95% less energy to recycle aluminum than it does to make it from raw materials.
LQ01P TIL Pope Leo I, Bishop of Rome from 29 September 440 AD until his death in 461 AD singlehandedly persuaded Atilla the Hun to back down from his invasion of Italy.
1no4 TIL Homosexuality was still classified as an illness in Sweden in 1979. Swedes protested by calling in sick to work, claiming they felt gay.
Z8jZ4 TIL That today in 1954 for 5 minutes, thousands of baby frogs fell from the sky after being picked up by a tornado and landed in Sutton park in Birmingham.
Eg4xx TIL that although the British Double Cross operation captured or turned all German agents operating in Britain during WWII, the German Abwehr was equally successful in Holland with an operation called Englandspiel, capturing all British SOE agents sent to aid Dutch Resistance.