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TIL People Who Are Bad at Something Tend to Believe They Are Superior and This Bias Has a Name Called the Dunning-Kruger Effect

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GK1N TIL that in 2012 Jessica Alba co-founded a company that is now valued at one billion dollars, with annual sales of 150 million.
1ae88 TIL that in Europe in the 1700s, high heeled shoes were seen as a sign of upper-class status, and their length was regulated by authorities - ½ inch for commoners, 1 inch for the bourgeois, 1 and ½ inches for knights, 2 inches for nobles, and 2 and ½ inches for princes
kQ91 TIL that almost 50% of Niger’s population is 15 years old or younger, and 8% of its population (800,000) lives in slavery.
neNmr TIL there is a rare type of fluffy frost called hair ice that only forms on rotting wood. It baffled scientists for decades until 2015, when scientists determined that fungal activity was largely responsible for the ice formation.
woJAJ TIL that Liberia was founded by U.S. citizens as a colony for freed African American slaves and their free black descendants.