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TIL A connectome is a comprehensive map of neural connections in the brain, serving as its "wiring diagram"

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KjZR TIL That the U.S. prison population is about 25 percent of the world’s prisoners even though the country itself holds only 5 percent of the world’s population.
wLkdM TIL that high levels of dopamine and a related hormone, norepinephrine, are released during attraction. These chemicals make us giddy, energetic, and euphoric, even leading to decreased appetite and insomnia – which means you actually can be so “in love” that you can’t eat and can’t sleep.
7rkYx TIL That Elvis Presley's manager sold "I Hate Elvis" badges as a way to make money from people who weren't buying Elvis merchandise
wbg8 TIL until 1970 United Airlines had men-only flights. The “New York” and “Chicago Executive” were advertised as “a club in the sky for men only”, with business-oriented amenities, free cigars, and a steak dinner served by stewardesses (the only women aboard). A lawsuit by feminists ended the flights.
1ag4X TIL of Huang Yijun, a 92-year-old woman who delivered a 60-year-old "stone baby" (calcified fetus) in 2009