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TIL that the compliance-gaining technique of adding “but you are free to refuse” after a verbal request has been found to double your chances of getting what you want.

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6EneQ TIL that the oldest person ever in the world was Jeanne Louise Calment, who was born on February 21, 1875 in Arles, France. She died on August 4, 1997 at the age of 122 years and 164 days old.
oBpoY TIL in Tennessee it is unlawful for any male person to willfully refuse to aid a policeman in making a lawful arrest when such a person's assistance is requested by the policeman and is reasonably necessary to effect the arrest.
JYdk4 TIL that in a study of people who believed they were sensitive to gluten, over 86% weren't
ADZno TIL that an American soldier, Henry Gunther, was the last casualty in World War I. He was killed at 10:59 a.m., one minute before the Armistice was to take effect at 11 a.m.
kJWZe TIL the Upper Colorado River was named the Grand River until 1921. Before then the Colorado River began at Green River, Utah.