Mathematician John Edmund Kerrich passed his time in Nazi captivity by flipping a coin 10,000 times. The total percentage of heads and tails flips varied wildly at first but gradually converged around 50/50, providing a demonstration of the Law of Large Numbers.
Before blood glucose tests were available, doctors would taste the urine of their patients to diagnose Diabetes. A sweet taste meant the patient was diabetic.
Queen Mary of England was gifted a 1:12 scale doll house in 1924. It had working lights, books that were specially written by writers for the library, bottles filled with the appropriate drinks in the wine cellar, and model cars made by Rolls Royce. Even the toilets had working plumbing.
On the California side of the US-Mexico border, there’s a town called Calexico, and on the opposite side there’s a town called Mexicali.
In 1956, a magician was performing the “cut a person in half” trick using his wife for a televised performance. Immediately after she was divided, the host ended the show. People were horrified, thinking she had been killed, but time had just run out on the broadcast.
President Nixon, after many years of refusing to release his tax returns for review, said “People have got to know whether or not their president is a crook. Well, I am not a crook.” After the investigation, he was forced to pay $465,000 in back taxes he owed.
Some states print decks of cards featuring the names or images of victims of unsolved crimes to be used in prisons and have successfully solved cold cases.
In 2009, before specific whistleblower protection laws, two nurses in TX were fired and charged with unrelated felonies after reporting unsafe medical care from a physician they worked under.
In 1938, 150 women chained themselves to cherry trees in Washington DC in protest of plans to cut the trees down to clear space for the Jefferson Memorial. The protest ended when they had to use the bathroom.
East China Sea parts every year and exposes a narrow 2.9km long strip of land allowing thousands of people to cross from Jindo island to Modo island of Korea. This land is exposed about an hour each day for approximately 4 days every year.