› added 11 months ago

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TIL that Mozart taught his pet starling bird how to play the opening of his Piano Concerto Number 17, K 453.

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R7oR6 TIL the US National Anthem has a 5th verse which talks about a foe from within, and was added during the time of the Civil War to give hope for the future of the nation.
xVxRD TIL that in the 1830s the Swedish Navy planted 300 000 oak trees to be used for ship production in the far future. When they received word that the trees were fully grown in 1975 they had little use of them as modern warships are built with metal.
Z8LKY TIL that a DEAD fish can swim upstream due to turbulent flow. It takes advantage of the energy provided from vortex structures. Starts at 14.39 in link.
1Ex4 TIL John F. Kennedy was the first president to not wear a hat during his inauguration speech. Sales of men’s hats plummeted and due to this and other factors, have never recovered.
MmoB TIL that North Carolina has a tax on the purchase of illegal substances. Users of illegal drugs are supposed to purchase a stamp and place it on the containers of their drugs as proof that they have payed the tax.