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TIL that most of the heat produced by objects entering earth's atmosphere at high speed is caused by the compression of the air in front of the object, and not friction.

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ZARa TIL that the red, white, and blue stripes on a barbers pole represent arterial blood, bandages, and venous blood respectively. This is due to the fact that barbers used to perform minor surgeries as well as grooming services.
yVdNl TIL about Nicaraguan Sign Language. A form of sign language which developed spontaneously among deaf school children in Nicaragua in the 1980's. It is not based on any other existing language and is considered by linguists to be an entirely new language.
eO1n TIL M&M’s turned down the opportunity to be featured in Steven Spielberg’s movie ET due to the flop of his previous film 1941, Spielberg then contacted a struggling Hershey’s who put $1 million into promoting the film - Within two weeks of release Hershey’s had tripled their sales.
amyL TIL in 2000, a Wild Turkey whiskey storage facility caught fire, spilling 17,000 barrels of flaming whiskey into the surrounding woods, catching them ablaze. Twenty percent of the whiskey flowed into the Kentucky River, disrupting its oxygen supply, killing 228,000 fish along 66 miles of the river.
yQAEJ TIL Nixon Thought LBJ Taped His Campaign Plane in 1968