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TIL that JFK’s sister was given one of the first lobotomies because of her mood swings. Doctors asked her to sing God Bless America while they cut into her brain, and stopped when she “became incoherent”

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4oJw TIL that Einstein was stopped so much in public, he would reply, “Pardon me, sorry! Always I am mistaken for Professor Einstein.”
epkoJ TIL fine particles of dust can explode and rapidly combust, even innocuous objects like flour or corn starch, due to the very large surface area of dust relative to its mass. One incident at a "color party" throwing colored corn starch resulted in 15 dead and 498 suffering from burns.
6E07 TIL that the Toyota MR2 had to be renamed in France, as the pronunciation of MR2 sounds similar to the French words for “It is shitty”
4X9x5 TIL In 1959 NASA contacted Pillsbury to create food safety management system for space travel. It is now industry standard and in practice in food establishments around the world.
dDX9Q TIL The modern Western salute originated in France when knights greeted each other to show friendly intentions by raising their visors to show their faces (according to some modern military manuals, though the history is uncertain and other theories exist)