› added 10 years ago

45

TIL That it’s theoretically possible to build an airship using a vacuum instead of helium

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nWoQo TIL: 70% of hearing parents of deaf children never learn sign language.
VXwD TIL that the word “jazz” is a derivative of the west african word “jasm/jism” which means semen, also where the word “jizz” comes from
B9WD TIL it was widely believed in the 17th and 18th centuries that man was powered by explosions, such that 23,000 times a day, a human breathed in air containing nitrous particles that, combined with the fire of the heart or the sparks of nerves, created the small explosions that moved the body.
P0Zn TIL all Pure-bred Border Collies can trace their lineage back to one dog, born in 1893, “Old Hemp”
Bene TIL Robert Moses, the extremely powerful New York City urban planner, hated the idea of poor people lowering the tone at the seaside, so he built low bridges over his parkways to ensure that only cars, not buses, could make the trip.