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TIL The letter ‘E’ used to designate a failing grade until it was phased out by the 1930’s over fear of students interpreting it to mean 'excellent’.

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j6M4p TIL the Hawaiian bobtail squid feeds a symbiotic bacteria living inside of it (called Vibrio fischeri) sugar & amino acids. In exchange, the bacteria emanate just enough light to match the moon's rays, rendering the squid virtually invisible at night
4XO0X TIL Robert Frost wrote “The Road Not Taken” to tease his chronically indecisive friend, Edward Thomas, who misinterpreted the meaning and enlisted in the military shortly thereafter, only to be killed two years later in WWI
9w0Mm TIL beets can turn your pee red 😅
rmly TIL - J. M. Barrie, the creator of Peter Pan, gave the rights to Peter Pan to a hospital, so they could always have income from the royalties and remain open.
VQ9Z TIL “Smith” is a common last name because those of the occupation were needed to build weapons/armor for war and could not serve, so they lived through wars.