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TIL: Between 800 and 1349 AD, the Colosseum was converted into a residential apartment building

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0dgeL TIL that most sewers are just small pipes, and not spacious, cave-like tunnels.
8eM6X TIL of Daniel Sickles. He shot the son of Francis Scott Key in broad daylight for sleeping with his wife, and was the first person acquitted under the insanity defense. Later he was appointed a Union general, and lost his leg disobeying orders. He regularly claimed to be 6 years younger than he was.
j6r4N TIL the term “Blowing Smoke up your ass” has its roots in life saving science.
xVmDo TIL that the longest time for a traffic jam occurred in August, 2010 and lasted for 12 days and was 62 miles (100 KM) long.
yVrwa TIL About the “Flynn effect reversal”. The Flynn effect refers to the observed rise in IQ scores throughout the 20th century, but in the last few decades, some research indicates that this trend has reversed in certain regions, particularly in Western countries.