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TIL that the Air Ministry imposed a blackout of all man made lights across London because they forecasted they would be targeted for night time air raids. This was before war was declared.

oO98 TIL since the 1990s, Carmel, Indiana has been replacing all signaled intersections with roundabouts. Benefits include gas savings of 24k gallons/year per roundabout; construction costs $125,000 less per intersection; injury accidents dropped by 80 percent and total accidents dropped by 40 percent.
e0nJ TIL that director Lars Von Trier had to hire a “penis double” for William Dafoe’s nude scenes in the film “Anti-Christ” because Dafoe’s genitalia is so large that “everybody got very confused when they saw it.”
KOwxa Popcorn is truly ancient. Archaeologists have uncovered popcorn kernels that are 4,000 years old. They were so well-preserved, they could still pop. In 2012, scientists discovered popcorn cobs that were grown even earlier — more than 6,000 years ago.
L1VZ TIL America has the highest teen pregnancy rates of any nation the developed world. Within America, Mississippi has the highest rates. Every single county in Mississippi has a teen birth rate higher than the national average.
GAeQj TIL Joseph Goebbels (Nazi minister of Propaganda) funded the development of a low-cost Radio ("Volksempfänger", the “people’s receiver”) which delivered State-Run "news" directly into the homes of German citizens. It was a "vital element of success" in the spreading Nazi ideology.