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TIL The NASA Space Shuttles operated with 1mb of RAM in five redundant computers. That's less than the average .mp3 file.

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16JVd TIL there are 2 diseases called childhood dementia and childhood Alzheimer's. Both of these are the result of genetics.
mxemE TIL about the Shell Grotto in Margate, UK. An underground set of tunnels and passages covered from floor to ceiling in a mosaic made of seashells. It’s age and purpose remain unknown.
9Bk6 TIL a Vanishing Twin is when a twin dies in utero and is either completely or partially absorbed by their twin. Occasionally the dead fetus will be flattened by their growing twin into a parchment like state known as Fetus Papyraceus
o6pY TIL a company called What3Words created a grid of 54 trillion 3x3 meter squares given a 3 word address designation covering the globe. It’s used as a work around for parts of the world with tricky or no addresses and can be used to specify which door in a building a package should be sent to.
woe88 TIL that Japanese great tits have a unique alarm call for crows, martens and snakes