› added 6 years ago

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TIL homeowners associations (HOAs) have their roots in Jim Crow-era policies, originally organized to impart restrictions on who moved into their neighborhoods along mostly racial lines.

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Yply7 TIL that the name Sahara comes from the Arabic word for "desert" and Gobi comes from the Chinese word for "desert". The Sahara Desert and Gobi Deserts are both the "Desert Desert."
78pGx TIL that The Beatles once held the top 5 spots of the Billboard Hot 100 - more than anyone else ever - but had another 7 songs on the list at the time.
MrM7 TIL the easiest way to lower the cost of healthcare is to get rid of insurance companies.
PADV TIL that in 1928 Nikola Tesla patented a concept aircraft (without propellers or wings) that could vertically take-off and land, as he thought “aeroplanes” of the time were unstable and not commercially viable.
e0awg TIL that there is a new state of matter that exists and it is known as time crystals. These lab-created time crystals are structures that repeat periodically in time rather than space.