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8

TIL the Imperial Japanese Army killed 250,000 Chinese civilians while searching for US airmen after the Doolittle Raid,

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OoOae TIL that a USSR physicist published his equations for solving reflected electromagnetic waves from surfaces, as the Soviet authorities considered them insignificant for military purposes. His work was found by Lockheed in the 1970s, leading to a breakthrough in developing their stealth plane F-117.
E10Pp TIL: Honey bees make their own bread out of the pollen they bring back. This ‘bee bread’ contains proteins and vitamins for them to consume. It is the main source of protein for the colony. Bees make the bread by mixing pollen with nectar, honey, and saliva.
BgVLy TIL the hacker group anonymous tried to hack a mexican cartel and had to back down after the cartel hired counter hackers to hunt them down
59RQ TIL: That gangster Bugsy Siegel wanted to kill both Joseph Goebbels and Hermann Göring in Rome before the WWII, but his companion, Countess Dorothy DiFrasso stopped him from doing so.
GAXd7 TIL that Sigmund Freud's first research was looking for the existence of testes in eels