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TIL of Kangri cancer, a squamous-cell carcinoma of the skin, found only in Kashmir in the northwest of the Indian subcontinent, due to the use of a kanger, a ceramic pot covered with wicker-work, carried for warmth during cold weather. It develops from erythema ab igne, AKA hot water bottle rash.

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x6Xj0 TIL Ordinary South Korean citizens could not get a passport and travel abroad until 1989, right after the end of dictatorship. Until 1992, South Koreans who wanted to travel abroad still had to go through anti-communist education
VBBmB TIL that oxygen (together with iron) account for most of the mass of planet earth
Mewxb TIL that Idi Amin, before becoming dictator of Uganda, was a prominent rugby player.
e099D TIL that the European Organization for Nuclear Research has animal shelter for computer mice.
J5vQ TIL that “competitive endurance tickling” is a thing, and that it apparently has a seedy criminal underbelly filled with personal attacks, legal threats, and manipulation