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TIL it is possible to survive a nuclear blast inside a bankvault, and this is because they are designed specifically to withstand the blast pressure.

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YpdVP TIL that loneliness and social isolation are as damaging as smoking 15 cigarettes a day and can lead to a a 29% increase in risk of coronary heart disease and a 32% increase in risk of a stroke.
ExDd TIL that the highest point in Pennsylvania is lower than the lowest point in Colorado.
rRV8x TIL The best pictures we have of the Mt. St. Helens eruption came from a photographer that was close to the eruption. He realized there was nothing he could do, so he took as many pictures as he could, put his camera back in the bag, and used his body to protect it from the ash.
6EjRX TIL Christopher Columbus' efforts to obtain support for his voyages were hampered not by belief in a flat Earth but by valid worries that the East Indies were farther than he realized. In fact, Columbus grossly underestimated the Earth's circumference and caused he and his crew's near starvation.
woVRE TIL: Our poop is brown because of 3 things- bilirubin, bile and the colour of the foods we eat.