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TIL that some moths have a "stealth coating" that acts as an acoustic form of camouflage against bat predators. This scaly coating dampens the sound of their wings and helps them hide from an echolocating bat’s “view” of the night sky

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loBrA TIL that before WWI Kaiser Wilhelm tried to impress Queen Wilhelmina of Holland by telling her "My guards are seven feet tall and yours are only shoulder-high to them." her reply was, "Quite true, Your Majesty, your guards are seven feet tall. But when we open our dikes, the water is ten feet deep!"
44BX TIL in Norse mythology, the dwarves created a magical chain to shackle the wolf Fenrir. It was made of: the sound of a cat’s footfall, the beard of a woman, the roots of a mountain, bear’s sinews, fish’s breath and bird’s spittle. It is said that this creation is the reason why none of these exist.
QJ5Lk TIL that Nobel laureate Stanley Prusiner who discovered prions, an infectious protein in the brain, was attacked by both the scientific establishment and the media when he presented his ideas due to the thinking that an infectious protein would be impossible.
6MJ7 TIL that the original plan for the May 15 Incident, an attempted coup d'état in Japan in 1932, was to assassinate Charlie Chaplin to facilitate war with the US. When the prime minister was killed, Chaplin was with the prime minister’s son watching a sumo wrestling match, which saved their lives.
1ZO8 TIL there is a clear nail polish that, when dipped in a drink, will change color if it comes in contact with common date rape drugs