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TIL that in 1972 a scientist created a ‘Rat Utopia’ as a social experiment to study population density, and within two years the population dived Into a irreversible decline unto extinction.

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QJnGM TIL that the falling green codes in the movie The Matrix were actually symbols from Japanese sushi recipes.
W9AB TIL that there’s a rare, discontinued kind of firearm (pistols, rifles) that shoots tiny ROCKETS instead of bullets!
EgdOw TIL fish have thoughts and feelings, they like to have fun, and they achieve stress relief through soothing physical contact like monkeys and humans do (think mutual grooming or massage therapy). They grieve if they lose their mate, and fish who can't get with their desired lover become pessimistic.
v1gXr TIL that the Mexican Government Has Seized 599 aircraft — 586 planes and 13 helicopters — From The Sinaloa Cartel Between 2006 and 2015. That's More Planes Than Owned By Mexico's Largest Airline.
OGBmY TIL the United Kingdom does not test for PFASs in drinking water