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TIL in the 1630s, Cardinal Richelieu grew weary of watching his dinner guests pick their teeth with their table knives, grinded down the end, and invented the modern dinner knife

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ANx6a TIL of shell cordovan, a rare "leather" that isn't made from animal skin, but connective tissue from a horse's buttocks. Shoes made from them are waterproof, don't crease, don't require polishing, and can last indefinitely. Only two major tanneries make them.
RE66 TIL That the man who distributed the very first ransomware virus in 1989 was discovered, but never convicted, and now owns a butterfly conservatory in Upstate New York
4pVw TIL: The scenes in E.T. where E.T. walked awkwardly or fell over was a 12 year old in an E.T. costume who was born without legs and walked on his hands.
Zpm1a TIL that, according to NASA, huge asteroid impacts (around the size of the Chicxulub asteroid, which is the one that killed off the dinosaurs) occur about every 50-100 million years. Chicxulub hit earth 66 million years ago.
Lkl8p TIL that Dandelions are not only completely edible raw and cooked but also packed with nutrients and may have many other benefits to their consumption.