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TIL Diatomaceous earth is made from the fossilized remains of tiny, aquatic organisms called diatoms. It is used in pest control to kill insects like bedbugs by absorbing the oils and fats from the insect's exoskeleton

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aZk0 TIL that a mob from a nearby county threatened to lynch Black newspaper editor John Mitchell Jr. for writing an editorial condemning a lynching. Armed with two pistols, he then traveled to that same county to report on the lynching on-site.
woYZP TIL of Orania: South Africa's only remaining whites only town
D104P TIL up until the tail-end of the 18th century, tomatoes were considered poisonous, and nicknamed the “poisonous apple.” It wasn’t until 1820, when Colonel Robert Johnson ate an entire basket of the fruit, that those myths were proven false
gM6X4 TIL Korean college students once protested against the amount of air in potato chip packets by building a raft out of them and sailing across a river.
ADNvo TIL about Esperanto, an attempt from 1887 to create an internationally spoken language. It's supposedly 5 times easier to learn than English or German and makes learning other languages easier. It's also available on Duolingo.