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63

TIL some cheeses are ripened with live mites, which are then eaten along with the cheese

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8WA4 TIL that rats who were trained to press a lever for food stopped pressing the lever once they saw that it also caused another rat to receive an electric shock
vkL4 TIL that If 1 in 10 of US smokers quit, $63 billion would be saved in the US alone
kJj1E TIL in 1990 a truck driver jumped into a moat in an enclosure at the Detroit Zoo to save a chimpanzee from drowning when the chimp inexplicably jumped into the water. He said "Everyone in the whole place was just standing around watching this monkey drown", so he knew he had to do somethng about it.
gr97A TIL that Loma Linda, CA is one of the five "Blue Zones", or areas in which people tend to live to 100 years old. This is generally believed to be because many of the residents are Seventh Day Adventists, who eat mostly plant based diets, get a lot of exercise, and drink mostly water.
ne77Y TIL of the French Red Zone. WW1 areas in France with access still forbidden today. The area is saturated with unexploded shells (including gas shells), grenades and rusty ammo. Soils heavily polluted by lead, mercury, chlorine, arsenic, various dangerous gases, acids, and human and animal remains