› added 3 years ago

107

TIL that it is common for astronomers to call any element heavier than Hydrogen and Helium to be a metal.

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via reddit.com

M7Ye7 TIL about the Hand of Glory, an old European custom of taking the left hand of a person hanged for murder for use in various magical purposes.
wo5n8 TIL that on the landing of the Ingenuity helicopter on Mars, the ICAO organization that gives code letters for airports issued its first non-Earth code: JZRO.
JYWRB TIL that Russia has an extremely long and sophisticated history of secret biological weapons development, including using such weapons.
NOBJ TIL Kit Kats became so popular in Japan because of a literal translation of “kitto katsu”, which means “Surely win” and lead to the implication of the bar giving good luck (making it a popular snack, especially before exams.)
b6Lla TIL in 1830, around 13.7% of the U.S. black population was free, totaling about 319,599. Surprisingly, 3,775 free blacks owned 12,760 slaves, according to the census.