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TIL that brown rats were domesticated twice. First in Japan starting around 1654 and then a second time completely independently in Europe in the early 1800s.

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pYd7N TIL that according to the SSA, there are a few people who were named Meth at birth in the United States. In 2017 that was the 11,692 most chosen baby boy name and 21,037 most chosen baby girl name.
oBQgR TIL First contemporary study to debunk the myth, that homosexuality is a mental disorder, dates back to 1956. Evelyn Hooker's experiment paired a sample of 30 heterosexual men and 30 homosexual men on equivalent IQ, age, and education, finding no correlation between homosexuality and mental illness
XOk8 TIL that Mr. Rogers weighed himself in every day at 143 pounds for the last 30 years of his life. He found beauty in the number because there is 1 letter in the word “I,” 4 letters in the word “love,” and 3 letters in the word “you.” “I love you.”
VQ00 TIL wild giraffes have evolved to sleep an average of 30 minutes a day, in five minute intervals, to minimize vulnerability to predators.
gMOBy TIL that a Canadian company named MindGeek owns half of the porn industry, internet video sites and movie studios, with most of the actors are under contract with them. They own so much they compete with themselves for content.