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TIL Stars appear to twinkle because their light passes through our atmosphere and is bent and distorted by varying temperatures and densities of air

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AvEd TIL almost 17 million children in the USA lack reliable daily access to food
kx6e TIL the Venus flytrap is only found natively within a 60 mile radius of Wilmington, North Carolina.
LQm7Z TIL that in the 1860s, Napoleon III backed the “Pantelegraph", an early fax machine invented by Giovanni Caselli in 1855 - over 20 years before the telephone. It sent handwriting over telegraph lines; 25 words took 108 seconds. It was frequently used to verify signatures in banking.
a50J TIL of Kilroy Was Here, a popular meme that originated with US soldiers in World War 2 that was graffitied on landmarks as the soldiers moved on
woOeM TIL of the Society for Indecency to Naked Animals: an organization aimed at clothing “indecent” naked animals that lasted from 1959-1962 and had over 50,000 members. SINA ended when the founder was exposed as Alan Abel, notorious prankster, who wanted to parody the conservative moralist of the time