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TIL homophobia is more common for in-the-closet homosexuals with authoritarian parents

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1dJ7 TIL Genghis Khan would marry off a daughter to the king of an allied nation, then assign his new son-in-law to military duty in the Mongol wars, while the daughter took over the king’s rule. Most sons-in-law died in combat, allowing him to build a shield around the Mongol lands.
Ljwm TIL alligators’ voices change when they inhale helium, just like humans, implying reptiles have similar vocal mechanisms to human beings
rRwn4 TIL In feudal England, the legal official overseeing a shire was referred to as a reeve. Even though America eventually opted to use the word county instead of shire, the title of the legal official remains today: Shire Reeve... Sheriff.
RmO8 TIL: The U.S. Federal tax code has 74,608 pages (187 times longer than it was a century ago)
m10xp TIL of the curb cut effect, which describes the phenomenon of accessibility features designed for the disabled benefitting those without a disability. An example is many hearing people used closed captioning.