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101

TIL the Arctic ground squirrel can enter a state of hibernation where its body temperature drops to below freezing.

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9YRmQ TIL in the Mughal Empire, which ruled South Asia in the 16th-18th centuries, the living standard and per-capita income were higher than in Britain (the highest in Europe); the price of grain was far lower than in Britain; and in 1600, 15% lived in urban areas - in Britain in 1700 it was only 13%
J15B TIL that a Soviet NKVD executioner personally killed 7000 Polish officers over a 28 day period with a pistol, working 10 hours per night and averaging a person every three minutes. He personally accounted for almost one third of the Katyn Massacre.
J15El TIL Bonobos (species cousins to chimps) are the only non-humans to engage in tongue kissing, the only primate besides us to typically have face to face sex, and they have complex matriarchal societies, high empathy levels, and lots of consensual sex, including homosexual relations for both sexes.
XE9PP TIL about Operational security. An OPSec need not only be used for military action, Life is a big OPSec whenever we want to stop or start a routine, habit or behavior we unconsciously run an OPSec.
o1pK TIL there’s a caterpillar called the Jewel Caterpillar in the Amazon Rainforest that looks like a walking gummy worm.