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TIL that the world's brightest cities are in northern latitudes, where the sun shines less, or in arid countries, where hot daytime sun inspires more evening activity. The current top 10: St. Petersburg, Mecca, Chelyabinsk, Kuwait City, Calgary, Edmonton, Kazan, Medina, Helsinki, Tangier

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jd1j TIL Bill Gates imported a Porsche 959 supercar before it was road legal, and the $470,000 car was impounded for 13 years before the law was changed.
XW98 TIL 1-3% of people are equipped with a mutated gene called hDEC2 which allows their body to get the rest it requires from just a few hours of sleep.
p8Mlb TIL musician Gram Parsons wanted his body cremated and scattered at Joshua Tree, but his family arranged for him to be buried in Louisiana for financial reasons. His friends, drunk and assisted by an unwitting police officer, stole his body from the airport and burned the casket themselves.
jNaVv TIL in a 1966 study, a group of engineers, mathematicians, artists, and architects were administered 50 micrograms of LSD and 100 milligrams of mescaline over a period of time. They then discovered solutions to professional problems that were previously unsolvable for them for 3 months
l77nA TIL, the London clay that the underground railway - "the tube" - locks the heat generated by the railway and has gradually been getting hotter. in the 1900s it was 14°C, today it is nearly 25°C. Most of the heat comes from the trains braking.