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TIL the chills experienced when listening to music is a result of the brain releasing dopamine – this occurs when a piece of music moves you, or when in anticipation of the peak moment during a song.

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gmX7 TIL that the entire LOTR trilogy, all Star Wars movies and all but one of the Harry Potter films fail the Bechdel Test, which tests for three requirements: 1. Two named female characters. 2. Who talk to each other. 3. About something other than a man.
WkZ8B TIL in 1922 Raymond DeWalt invented the Radial Arm Saw, with the first saw blade driven directly by a motor. Naming it the "Wonder-Worker," he then started the DeWalt company which still exists today. Once a versatile staple of home workshops, the Radial Arm Saw is in extremely limited use today.
pEy8 TIL that the “Sheng Long Hidden Character” in Street Fighter II was a Mistranslation Myth
d86jE TIL of Khalid Sheldrake, a British Pickle Manufacturer who moved to Xinjiang and was declared King of Islamistan in 1934
LkK90 TIL about a Swiss satellite designed to clean up some of the space debris that orbits the Earth as a result of sending objects in space. A "janitor satellite".