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TIL Einstein proved that past events are not knowable with certainty [PDF]

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KrrB TIL for $170 per person per year, a hotel mogul turned around a rough Orlando neighborhood - cutting crime in half, multiplying property values and raising the high school graduation rate from 25% to nearly 100% by offering to pay full tuition for anyone who graduated and wanted to attend college.
QJjje TIL there is no Ventriloquism for Dummies
GY0Bg TIL a woman recovering from shingles had such an itchy scalp that she painlessly scratched through the skull to the brain
opwK TIL that Abraham Lincoln once said, “Women are the only things that cannot hurt me that I am afraid of.”
kOZ55 TIL a cubic foot of air weighs .08 lbs. A cubic mile of air weighs around 6 million tons! Now, imagine all that moving across the sky - no wonder storms are violent.