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TIL holding a warm drink makes you perceive others you interact with to be “warmer”; i.e. friendlier and more giving.

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7robM TIL that the function of coupon codes is to increase the posted price to profit from price-insensitive buyers, while still maintaining an attractive price for price-sensitive buyers willing to use coupons.
9wlAr TIL that the University of Odense in Denmark houses the world's largest collection of brains, taken from mental health patients over four decades until the 1980s, with a total of 9,479 brains stored on countless shelves in its basement.
0dp91 TIL about Jetpack man an unknown person or object that has been observed flying what appears to be an unauthorized jetpack around the Los Angeles California area at least five times in 2020–21
BrwkW TIL that the "electrical" smell from running things like a food processor or power tools for too long is the carbon brushes in the motor overheating and starting to burn
5VWZR TIL that before phones had full keyboards, users used a "multi-tap" text entry system in which pressing a numeric key several times would produce a letter