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TIL During the Vietnam War the US tried to weaponize the religious beliefs of the Vietnamese. They believed anyone improperly buried would wander the earth in agony. So the US played horrifying sounds of a wailing Vietnamese man over the jungle at night as part of a psyop campaign.

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ema5 TIL that a whale’s ear wax builds up over the course of its life and can be analysed like tree-rings.
J1Lbm TIL that the longest chess game in history took over 20 hours to complete and ended in a draw.
wMx6 TIL A woman correctly detected 11 out of 12 subjects in a Parkinson’s study using her sense of smell. 8 months later the one extra she believed had Parkinson’s was diagnosed with the disease making her 12/12
R7ryQ TIL: Doctors in Italy fabricated a fake disease to fool the Nazis into avoiding local Jews. They brought them to the Hospital and called it Syndrome K (named after Nazi commander), warning soldiers that it was extremely contagious.
OGMaL TIL Orcas are dolphins