There is a disorder that is thought to be purely psychological called Pseudocyesis, where a woman shows all the symptoms of being pregnant except for the presence of a fetus. Their belly grows at the right rate and they can even go into false labour.
In 2005, documentary film makers gave a homeless person $100,000 in cash, and followed him to see what he would do with the money. 6 months later, he was completely broke and back in the same place he was before the windfall.
Some fruit spreads use 3 different types of sweeteners. Why 3? Because if the company used only 1, it would have to list “sugar” as the first item on the ingredient list. By spreading the impact over three sweeteners, it can push fruit to the top of the list and hide the sweeteners below.
A history teacher in the 1960s ran an experiment to recreate Nazi Germany using his students, called the “Third Wave.” The students had hung banners around the school, saluted each other in the hallways, and his skipped other classes to join the movement.