› added 10 months ago

42

TIL that women tend to bruise more easily because their skin has more fat and less collagen. Collagen supports blood vessels, making them less prone to breaking. Men's thicker collagen layer provides better protection for their blood vessels.

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J1QJ1 TIL only 40 dog breeds and varieties were known in 1873, whereas today, around 400 breeds are recognized by the Fédération Cynologique Internationale alone.
bnRN TIL During the Cold War, America was inspired to build a more efficient interstate system as a way to provide a speedy evacuation route in the event of nuclear war.
JXQj TIL The Cuyahoga River was so polluted it actually caught on fire. 13 fires later the gov’t was spurred onto to create the Clean Water Act and the EPA
y9Rv TIL the original actor for Dumbledore, Richard Harris, intended to turn down the role due to his declining health, but later agreed to play the character after his 11-year-old granddaughter threatened to never speak to him if he refused the role.
v1NXL TIL: "Star wars: Return of the Jedi" crawl was the only one not to follow the four dot rule.