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TIL that a cyanometer is an instrument used to measure the intensity of blue in the sky

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via reddit.com

aw5V9 TIL that in 1923, a man petitioned to change his surname from Kabotchnik to Cabot. Several members of the Cabot family, one of the oldest and wealthiest families in Boston society, sued to stop him, but the judge ruled against them because there was “nothing in the law to prevent it.”
YpG8x TIL female penguins prostitute to get pebbles for their nests
p4GO TIL Most sport referees around the world use the same whistle, favored because it is pealess.
rRlmd TIL that nearly 100 people in Germany die annually while masturbating, and that forensic examiners estimate one to two people per million are killed each year globally.
Lkxmv TIL that Supreme Court Justice Ruth Bader Ginsburg is not only a longtime opera fan, but has appeared in a cameo role with the Washington National Opera