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TIL that a duck’s wake always creates an angle of 38.9 degrees no matter how fast the duck is going

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wrd6 TIL During the Winter War, the Finns would prop up frozen Soviet soldiers to intimdate the troops
gv5b TIL slow music playing in a restaurant makes perception of time slow by about 13%, and also makes customers buy up to 40% more drinks than normal
5de9 TIL that before the advent of air travel, landowners used to own an infinitely tall column of air rising above their property. Today there’s no official verdict on where property rights end, but U.S. policy is that anything above 500 feet is navigable airspace.
VQQp TIL Up until the 17th century humans practiced 2 sleeps a day instead of the modern uninterrupted 8 hour a night norm. Studies have shown that the idea of 2 sleeps is much more in tune in what our bodies actually want us to do.
8eARL TIL in the 1920s Fiat had a 1/2 mile race track built on the roof of their factory