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TIL The world suffered an invasion of cloned crayfish. Marbled crayfish were first discovered in 1995. Since they can clone themselves, people who bought them as pets ended up dumping their unwanted extra crayfish into rivers. There are now clone colonies all over the world

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X0anR TIL that Leonardo da Vinci’s private life has sparked centuries of speculation about his sexuality, with Sigmund Freud analyzing his desires in Leonardo da Vinci, A Memory of His Childhood and Walter Isaacson suggesting he had homosexual relationships with male pupils.
KOvM4 TIL A "Wellerism" is an expression that comedically uses a saying in the wrong situation, such as "We'll have to rehearse that, said the undertaker as the coffin fell out of the car." or "So I see, said the blind carpenter as he picked up his hammer and saw."
7r5Gb TIL a Colorado law requires employers to disclose their targeted pay range in job postings, setting pay expectations for applicants and allowing current employees to learn about this range comparative to their own.
vPY97 TIL about the coolest animal in the world, the Argentine Lake Duck. Being able to fly, swim, and walk on land already makes most ducks pretty cool but this guy is dragging around a 16 inch penis that they use to lasso potential mates!
Oowya TIL Psychologists found that interrogative self-talk, asking yourself a question about a future action increases the likelihood of it happening. For example, rather than saying "I'm going to the gym later." You would say, "Will I go to the gym later?" It triggers more goal-oriented behavior.