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TIL Obelus is the proper term for a division sign.
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MeoWB
TIL that for decades the CIA owned and ran Crypto, a Swiss company that supplied cryptography equipment to many countries; naturally, the machines were rigged to give US spooks access to everyone's communications.
no7B
TIL that four boys and a dog set out on an adventure in Dordogne, France. When the boys decided to explore the hole, they slid into a deep underground chamber where they discovered the most famous cave paintings in the world- the Lascaux Cave Paintings.
p8w88
TIL the voices schizophrenics hear are actually their own subvocal speech. This is why it's so common for schizophrenics to believe their minds are being read.
mKNx
TIL of Namibia, one of the most sparsely populated countries in the world, whose constitution preserves the health of its ecosystem. It has the largest Cheetah population in the world.
6El17
TIL that your blood is never blue, even if it is deoxygenated.