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TIL There were black slaveowners in America

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4a0X TIL that x represents the unknown in Algebra only because there isn’t a ‘sh’ sound in Spanish. The Arabic word شيءٌ (shay'on, literally 'something’) was originally used to denote the unknown in a math equation. It was translated to Chi (X) when the Arabs brought Algebra to Spain.
9YxJm TIL of a 7 year old feral child found in Russia last 2008 who was called The Bird Boy because he lived with birds in a virtual aviary and could not speak, only chirp because his mother never talked to him and he would flap his arms when he was approached by people just like a bird.
KGPR TIL - “The death of the chemistry set is almost an unintended consequence of the rise in consumer protection laws.”
l789G TIL that in terms of deadweight tonnage, 40% of the world's commercial ships are each registered in one of three countries: Liberia, Panama, and the Marshall Islands.
NXZnQ TIL Taco Bell once released a burrito containing cayenne-flavored Pop-Rocks