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TIL Pigs are smarter than any other domestic animal and they are considered by animal experts to be more trainable than dogs or cats.

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YW8Z TIL George R.R. Martin objected to Vietnam War and was fairly quickly granted conscientious objector status, with the draft board reasoning that being branded a coward for life would be enough punishment for not serving.
eeGn TIL that the industrial production of cream cheese is extremely difficult and involves changing polarity at the molecular level. Kraft controls 70% of the market and has kept the recipe secret for 80 years, which is currently held in a vault in New York
x68RB TIL the "Memory of the World (MoW) Programme" is an international initiative launched to safeguard the documentary heritage of humanity against collective amnesia, neglect, decay over time and climatic conditions, as well as deliberate destruction
v18a8 TIL the constellation Argo Navis (representing a ship) was considered impractical by astronomers for being too big and in 1930 it was broken down in three constellations: Carina (the hull), Puppis (the Deck) and Vela (the sail)
eprEL TIL about "Prairie Madness" which affected settlers, especially immigrants, in the prairies in the 1800s. It was mental breakdown due to the isolation of living in such a remote land. It mostly disappeared when telephones and railroads became available.