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TIL that you might see an illusion or even a creepy monster if you stare at your reflection in a mirror long enough. This phenomenon, known as psychomanteum, dates back to Ancient Greece, where a person would gaze into a still pool of water to communicate with spirits.

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XYkD TIL Considered some of the world’s smartest birds, crows operate with brains about 1/1000th the size of an adult human’s. They memorize and coordinate events over distances, they develop tools, and they teach their young lessons to pass down to future generations.
kJGW4 TIL "Murphy's Law" originated during rocket sled tests that took place in 1948-49 at Edwards Air Force Base in southern California, and is named after USAF Captain Edward A. Murphy. Murphy went on to make crew escape systems for the F-4, SR-71, B-1 and X-15.
wxEY TIL Thomas Jefferson is accredited as the creator of the swivel chair, the first of which he created and used to write much of the Declaration of Independence.
5YBp TIL that on the date of April 13th, 2029, an astroid (Apophis) the size of Puerto Rico is expected to fly 18,600 miles above earths surface.
kONM5 TIL that you are about 5 times more likely to make money while gambling on roulette at Caesar's Palace (2.9%) than you are working a MLM (0.4%)