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TIL that “Adrenalin” is a pharmaceutical trade name. The scientific name for the hormone generated by the Adrenal gland is Epinephrine.

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OoV6Y TIL That the Dark Film Noir/Art Deco feel to 'Batman: The Animated Series' was due to the use of black paper with light colours for animation, instead of the industry standard of dark colours on white paper.
xLLo TIL In Nordic mythology, Ratatoskr was a squirrel whose sole job was to carry (usually insulting) messages between a great eagle and a dragon at opposite ends of Yggdrasil, the World Tree
0wggL TIL in 2010 the Navy spent $14 million to alter the appearance of a San Diego naval building that resembles a Nazi swastika. After the project was completed in 2016, it still looked like a swastika.
jgPp TIL there is a theory by Richard Feynman that suggests there is only one electron in the universe and it weaves itself back and forth through time to create everything we know and see.
N496 TIL that 95% of historic mosques and monuments (many 1000 yrs old) in Mecca were torn down by the Saud family to make hotels, palaces and libraries.