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TIL that jazz trumpeters grew goatees as it provided comfort when playing

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6EGYW TIL the verb “eavesdrop” is a back-formation from the noun “eavesdropper”, which was formed from the unrelated noun eavesdrop (“the dripping of water from the eaves of a house”). An eavesdropper was someone who stands at the eavesdrop (i.e., next to the house) so as to hear what is said within.
oRYEE TIL that in ancient Rome, blacks were not discriminated against because of their skin color or physical features. They were not barred from any profession, and there was no stigma against interracial relationships. Classical writers did not attribute social status or degree of humanity to skin color
x6vng TIL That even with an outside temp of -49F, an igloo can have an internal temp between 19 and 61F from body-heat, alone.
766M TIL soda is fizzier in cans (vs plastic bottles) because CO2 cannot escape an aluminium can. CO2 escapes sealed PET bottles quite readily.
k9XW TIL in 1986, the United Way released 1.5 million balloons into the Cleveland sky to raise money for charity. The balloons were so thick that Coast Guard helicopters couldn’t reach an overtuned boat, resulting in the death of two fishermen.