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TIL Germany lost the First World War in major part because of underdeveloped agriculture and over reliance on import of food (the British Navy blocked it when the conflict began; learnt from the book "Cities" by John Reader)

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1aKZ4 TIL that a photosensitive drum, charged by a corona wire, inside a photocopier machine, carries an electrical shadow of the letters to be copied towards the toner, where the toner particles stick to the shadow and then transfered to white blank paper.
7r5R7 TIL Irish pubs all over the world have their interior designed, built, shipped and installed by specialized Irish companies. Bar owners can choose the style they want, and at least one company will even work with consultants on menu development.
yVjyw TIL that Reynolds, the company that makes Reynolds Wrap aluminum foil, once built and operated a deep sea submersible. Called the Aluminaut, it was the world's first aluminum submarine.
jN0ap TIL that during WW2, a unit of the US Army called the 442nd Battalion(a unit made up almost entirely of Japanese Americans) scaled a <1000 foot cliff in complete darkness to launch a surprise attack on the Germans and break the Gothic Line.
aw4kb TIL bats and dolphins evolved echolocation in the same way (down to the molécular level). An analysis revealed that 200 genes had independently changed in the same ways. This is an extreme example of convergent evolution.