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147

TIL There is sexually explicit cave art (NSFW)

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6wOQ TIL The US military still uses 8-inch floppy disks to run its nuclear program. They are used to coordinate intercontinental ballistic missiles, nuclear bombers and tanker support aircraft.
YpZEv TIL There isn't really a market for Rhino horn as an aphrodisiac and media spreading that myth actually curtails conservation efforts because it perpetuates the myth that wasn't even there in the first place, causing more demand
9Ywlm TIL Swaging is a forging process in which the dimensions of an item are altered using dies into which the item is forced.
a8EKo TIL that the Joker's appearance is based on actor Conrad Veidt as he appeared in the film The Man Who Laughs from 1928
R7Jma TIL Horseshoe crabs have existed for around 450 million years, and soil itself first appeared on earth 450 million years ago, meaning that horseshoe crabs are literally as old as dirt.