Due to sugar shortages to make candy during World War II, movie theatre owners turned to popcorn, which is now the best selling snack at movie theatres today.

To Ensure Promptness, one is expected to pay beyond the value of service – hence the later abbreviation: T.I.P.

The Main Library at Indiana University sinks over an inch every year because when it was built engineers failed to take into account the weight of all the books that would occupy the building.

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