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TIL The reason why some cops touch the back of your tailight at traffic stops is because before dashcams it was a way to leave their fingerprint on the car in case something bad happened they had proof they were there

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6EP18 TIL that the white area in the center of ice cubes is a buildup of impurities, mostly sediment and trapped air bubbles. Because freezing starts from the outside in, these materials are pushed to the center of the cube while the pure areas remain clear.
nWrkY TIL In the 1950s the CIA would spread rumors of vampires in the Philippines to dissuade communist rebels. They would ambush the back member of a patrol silently, kill them before draining them of blood and poking two holes in their neck before leaving the body just off the road.
e69D TIL that racism and homophobia are scientifically linked to lower IQs
KMoa TIL that when you see a halo around the sun or moon it means a storm is coming.
e1DD TIL Apples originated in Kazakhstan and 90% of modern apples can be traced back to 2 trees.