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19

TIL Elephants can distinguish human voices by sex, age, ethnicity, and language.

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BMkr TIL In addition to eliminating Jews, the Nazis also planned to reduce the population of the conquered territories by 30 million people through starvation in an action called the Hunger Plan
jNKPQ TIL about the "omnipotence paradox," where the ability to do anything and everything seems to lead to logically contradictory ideas such as creating square circles. Its most well-known version is the so-called paradox of the stone: "Could God create a stone so heavy that even He could not lift it?"
neGEP TIL That Joseph Stalin was only 5'4" tall, and he often wore stacked shoes and stood on platforms to make himself appear taller.
6jyw TIL that before his death, Lenin published a testament that stated Stalin should be immediately removed from power as Lenin was “not sure if he can be trusted to use authority with sufficient caution”
b60Lp TIL: about milk in Germany, which strictly defines cows’ quality of life (description in comments)