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TIL that around 11% of the world population was killed during the Mongol invasions.

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okVK TIL The bear is the most anthropomorphic animal in its behavior and appearance. Many Native Americans consider the bear to be either an ancestor or brother, due to their organs, appendages,ability to stand and their intelligence. Sometimes a bear standing up has been mistaken for a Sasquatch.
kvee TIL that alien abduction stories are probably based on sleep paralysis, a condition where you wake up, dream-hallucinate someone in your room, and can’t move.
pY8Kb TIL of Operation Looking Glass, the code name for an airborne US command and control centre that would take charge of the response if all US ground bases were lost due to nuclear war. They started with 5 Boeing KC-135's and a plane was in the air 24/7, 365 days a year, for nearly 30 years.
D116v TIL Nickelodeon's "Gak" was named by Double Dare crew members during a road show in Philly. At the time, "Gak" was the street term for heroin.
YpNjx TIL Gorillas hum happy songs when they eat. “And if it’s their favourite food, they sing louder.”