› added 10 years ago

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TIL Helsinki is expanding below the surface. Incised into the city’s bedrock are a swimming pool, a shopping area, a church, and a hockey rink. Just to name a few facilities besides 40 miles of tunnels for heating and “parking caverns”. They plan to built 400 buildings until 2020.

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M7G87 TIL That while some citric acid is derived from lemon juice, the majority of citric acid commercially sold is extracted from a black mold called Aspergillus niger, which produces citric acid after it feeds on sugar
x6VAb TIL that aside from preventing hair from falling into food, a chef’s hat also indicates their rank among the kitchen staff. Traditionally the taller the hat, the higher the rank.
R7yp1 TIL The Southern Tenant Farmers’ Union (STFU) was a federation of tenant farmers formed in July 1934 in Poinsett County with the immediate aim of reforming the crop-sharing system of sharecropping and tenant farming.
dBk8 TIL of Tetris Syndrome, which is when you play a game too long and you start to dream about it, and hallucinate about it on the edges of your vision.
M9DW TIL Oregon was bombed by Japanese during WWII. The attacks were minor, but they were the first time the contiguous United States was bombed by enemy aircraft.