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78

TIL between 1991 and 2018 lithium-ion batteries became 30x cheaper

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8XP8 TIL that the first known aqueducts were built by Sennacherib, King of Assyria, for the city of Nineveh around 700BCE - 400 years before the Romans built their aqueducts.
Od6L TIL that 35 policemen armed with AK47’s had to rescue a shaved orangutan that was being used as a sex slave in a Borneo brothel in Indonesia.
WkeWd TIL in the 18th century "Donkey" became preferable to "Ass" for the name of said animal, however, it is completely unknown where the word "Donkey" originated from.
Or1a TIL that Lincoln had depression for most of his life and often contemplated suicide.
a6oJ TIL Neanderthals used medicinal plants