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TIL the Battle of Vimy Ridge was the first time when all four divisions of Canada’s army fought together. They had captured more ground, more prisoners and more guns than any previous Allied offensive in the two and a half years of war up to that point. Today is the 96th anniversary of the assault.

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yVYEM TIL about a group of proteins called E3 ubiquitin ligases. They recognize misfolded or damaged proteins in the body. The human genome contains over 600 genes responsible for encoding these proteins. The mutation of the E3 ubiquitin ligase called "parkin" causes familial Parkinson's Disease.
8vkb TIL the package that Tom Hanks did not open in “Castaway” contained “a waterproof, solar-powered satellite phone” according to Robert Zemeckis
56o8 TIL Gaius gracchus, the ancient roman politician, had a bounty put on his head to the price of the head’s weight in gold. Although the head was delivered, the prize was never paid, as it was discovered that Gaius’ captor had emptied out his brain and replaced it with molten lead.
78YRZ TIL hearing sudden and loud bursts of noise while falling asleep or waking up is called Exploding Head Syndrome.
R5pk9 TIL The Spanish observed how Native Americans lived and the food they ate, coming up with a theory that they were once white but their conditions made their skin darker, with less facial hair. This meant the Spanish believed that they could “cure” Natives by changing their lifestyles