› added 5 months ago

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TIL that airport runways are numbered based on their compass direction. Runway 27 literally means 270 degrees (west).

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nWEPo TIL about the "Zeitpyramide" (or "Time Pyramid") which is a public art project in Germany where one block of the pyramid would be placed every 10 years. The construction of the pyramid began in 1993 and it is expected to be completed in the year 3183.
9YVGM TIL that if a cat headbutts you the cat is marking you with their scent and headbutting is typically used for bonding and social purposes.
DQQjJ TIL that the earliest known citation for "gaslight" as a verb, used to mean "psychologically manipulate someone," comes from a 1965 episode of the sitcom Gomer Pyle, USMC
bG7Z TIL of Aki Ra, a former child soldier forced to lay landmines in Cambodia who now spends his time removing mines from around the country. He has personally removed as many as 50,000 mines and started by using only a knife, a hoe, a stick and a Leatherman.
JYpxj TIL that an AIDS defining illness is Kaposi's sarcoma. This type of cancer is very rare and mostly affected elderly men of Mediterranean or Ashkenazi Jewish ancestry. It can be found in AIDS patients of all backgrounds, and causes purplish legions in the skin, lymph nodes, and other organs.