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TIL of “mummy brown”, a once-popular paint pigment made from ground-up Egyptian mummies. It was produced well into the 20th century, and only disappeared when the manufacturers ran out of mummies.

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QNkme TIL that Ford invented a technique to rust protect cars in 1957, but for 30 years did not use it while granting its use to their competitors. This lead to their cars rusting badly. The reason: Ford was controlled by finance managers, who refused to upgrade factories since the cars sold regardless.
PM1L TIL The only country where cannabis is completely legal and du jure is North Korea
a04o TIL the second person ever to go down Niagra Falls in a barrel survived the feat. Later, he tripped on an orange peel and died.
QN01p TIL The University of British Columbia offers 140 sq ft (13 sq m) student "Nano" suites in order to be more affordable. The bed converts into a desk and a storage space with a clothes rail
pWB4 TIL in the 1960s. The CIA created several fake cover-up companies to purchase Titanium from the Soviet Union. Titanium being a crucial element in the production of SR-71 Blackbirds. Subsequently helping Lockheed Martin’s Secret Black Project called “Skunk Works”. The SR-71 served from 1964 to 1998.