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TIL Cats ‘play’ with their prey to ensure that the prey is weak enough to be killed without endangering the cat.

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0dNG5 TIL that there are 293 different ways to make change for a dollar
V440 TIL that the Soviets had another massive nuclear disaster before Chernobyl which contaminated up to 20,000 square km of land. Despite their attempts to hide the incident the CIA knew all about it, but they also covered it up to prevent the growing US nuclear industry from panicking.
PYQxO TIL rhino horns are actually made up of hair grown tightly packed on their nose and joined together by a glue like secretion
XE5XR TIL in Ancient Egypt, Pharoah Pepi II despised flies so he would keep naked slaves smeared with honey near him in order to keep flies away.
xVkNb TIL that brass and copper are used in door handles because they are slowly poisonous to many germs