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TIL that George Washington had two stepchildren but no biological children

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via reddit.com

eWvb TIL a plant was modified to grow potatoes and tomatoes and is called “ketchup-n-fries”
wLYDW TIL Mister Rogers narrated his feeding of the fish every day because he got a letter from a young blind girl who was worried the fish were hungry.
KYkja TIL that being awake for 20 hours is equivalent to being drunk enough to be forbidden from driving.
VV0B TIL “Bows eventually replaced spear-throwers as the predominant means for launching sharp projectiles on all continents except Australia.”
ADvNd TIL of Pierre-Simon Laplace, often referred to as the French Newton, he is credited with translating the geometric study of classical mechanics to one based on calculus. Laplace was one of the first scientists to propose the existence of black holes and the theory of gravitational collapse.