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TIL that in 1962, NASA launched the Mariner 1 spacecraft to Venus, but it missed its target by over 100,000 miles. The failure was traced back to a single misplaced hyphen in the spacecraft’s software code, showing how even the smallest errors can have enormous consequences in space missions.

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D1nRY TIL that there is a monument in Georgia which gives instructions in 8 languages on how to rebuild society after an unknown apocalyptic event, whilst also functioning as a compass, calendar and clock
yRl8 TIL There are 30 kilometres of tunnel underneath downtown Toronto, connecting shops, subway stations and restaurants so people do not need to go outside into the heat and snow
WAQd TIL David Berkowitz, also known as the Son of Sam killer, alleges that he was not a lone shooter; rather that he was one of several members of a satanic cult known as “The Process”.
LQL5m TIL that every human excretes up to half a kilogram of phosphorus through only our urine, per year. This makes urine the primary source of phosphorus in urban areas!
MelEb TIL that the face of Max Payne in the original game is one of it's writers - Sami Antero Järvi, a Finnish game writer/actor and Remedy's creative director.