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TIL, Tupperware has a lifetime guarantee in most countries, except India, where there is only one lifetime guarantee per incarnation.

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P1jBZ TIL the Climax mine, the largest molybdenum mine in the world, was originally sold for $40,000 in 1918 (~$800,000 today) because the prospector had no idea what the mineral was. The mine would later go on to supply 3/4 of the world's molybdenum, being an important alloy in jet engines.
W4XN TIL that between 20,000 and 100,000 prisoners are currently in solitary confinement in the United States. This means being alone in a cell for 22-24 hours a day - in some cases, for decades.
e9j6 TIL Kidney beans are toxic and possibly deadly if not pre-soaked and boiled for at least 10 minutes. Poisoning can be induced from as few as five raw beans.
ne8Pr TIL about The Fregoli syndrome - a rare disorder in which a person holds a delusional belief that different people are in fact a single person who changes appearance or is in disguise. The patients are often paranoid they're being persecuted by the person they believe is in disguise.
8M7V TIL a study gave LSD to 26 scientists, engineers, and other disciplines, and they produced a conceptual model of a photon, a linear electron accelerator beam-steering device, a new design for the vibratory microtome, and a space probe experiment designed to measure solar properties, amongst others.