› added 12 years ago

297

TIL Rats laugh when tickled

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e0B1L TIL oxygen masks in airplanes aren't connected to an oxygen tank. Instead, they use a chemical reaction to generate it on the spot
vE7x TIL the world’s shortest horror story is two lines long. “Knock” by Fredric Brown. “The last man on earth sat alone in a room. There was a knock on the door.”
5roB TIL: The “Fi” in “Wi-Fi” doesn’t stand for anything, it’s a play on words of “Hi-Fi”
wo0OJ TIL of an experiment, in which white test subjects participated in the psychological ‘rubber hand illusion’ experiment but were given black arms instead of white ones. Doing this measurably reduced their implicit racial bias.
Zpm4R TIL that a chipotle pepper is a jalapeño that has been dried and smoked.