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TIL Your brain is constantly eating itself. This process is called phagocytosis, where cells envelop and consume smaller cells or molecules to remove them from the system.

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DQeWD TIL of William Rankin, a fighter pilot who survived trapped in a storm cloud after ejecting for 40 minutes.
yVype TIL Mel B of the Spice Girls had a portion of a tattoo with her ex husband’s name surgically removed from her body, sealed it in a jar, and kept it on top of her wardrobe.
GA1GJ TIL the clips of McBain featured in the Simpsons can be pieced together to make a full (mini) McBain movie.
a8VrM TIL that at the Battle of Aspern-Essling in 1809, one of the French Generals was decapitated, while he was talking to a friend.
OonVL TIL of Julian Jaynes's "Bicameral Mind Theory" which suggests that ancient humans were not self aware and that the right hemisphere communicated with the left via auditory hallucinations. These voices may have been interpreted as "gods" by early humans.