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TIL that in 1945, Kodak accidentally discovered the US were secretly testing nuclear bombs because the fallout made their films look fogged

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epNxD TIL tuberculosis was the leading cause of death in the U.S. during the 19th and early 20th centuries. An estimated 450 Americans died of the disease each day - most between the ages of 15 and 44.
Me7k8 TIL that the Von Trapp family, made famous by The Sound of Music, lost their fortune in the Great Depression, and the children's singing careers were purely a way to earn a livelihood.
VB4Rp TIL that during WWI (and briefly WWII) the British would shame men into joining the military by recruiting young women to call them cowards on the streets of their hometowns. These women would also pin a white feather on them to symbolize their cowardice.
ZpZxB TIL in 1905, American millionaire George Kessler threw himself a birthday party at the Savoy Hotel in London that involved flooding the entire courtyard with four feet of water so his guests could dine in gondolas and a five foot birthday cake brought out to them on the back of a baby elephant.
vPjRx TIL Lobsters can be right- or left-handed – or clawed. When larval lobster settle to the bottom, their claws are identical. But within several molts, the claws become specialized. They also have clear blood that turns blue when exposed to air, due to oxidizing copper in the hemocyanin protein.