› added 7 years ago

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TIL "urchin" is just another word for hedgehog. Which is where sea urchins get their name. They are hedgehogs of the sea.

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v1L5r TIL that TIL also means Tumor Infiltrating Lymphocytes
yQOol TIL of the "Poe Toaster". A shadowy figure dressed in black who for over 7 decades toasted Edgar Alan Poe on his birthday at his grave with cognac and three roses
RWD9 TIL Lucy Ann Johnson, an Alaskan mother and wife, disappeared in 1961 and was reported missing in 1965. Last year (52 years later) she was found in the Canadian Yukon, alive and well, with an entirely new family.
XL1R TIL in 1945 a group of Soviet school children presented a US Ambassador with a carved US Seal as a gesture of friendship. It hung in his office for 7 years before discovering it contained a listening device.
xK4b TIL of an art movement called “Rock Balancing” which involves the stacking of rocks in what often appear to be impossible positions, without the use of adhesives or outside support.