› added 4 years ago

55

TIL that Pittsburgh Steelers founder Art Rooney Sr. was also an original co-owner of the Pittsburgh Penguins.

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69GXQ TIL That OMG's (Oh My God) First Use Was In A Letter To Winston Churchill In 1917.
ONba TIL-James Coleman was a pioneer of Social Research his report to President Johnson predicted that education spending was not a predictor of success. It’s was the home environment that was the key factor
ANgEd TIL medicine pill bottles seem mostly empty because they need to be large enough to read the labels
D1W1D TIL that between WW1 & WW2 the USA had a war plan in place for invading Canada in fears the British Empire would try to invade the USA through their colonies. War plan red was even updated to authorise the use of chemical weapons against Canadian citizens.
OLEe TIL that during sleep cerebral spinal fluid flows through the brain on the OUTSIDE of the brain’s blood vessels and that the CSF removes brain cell waste including amyloid beta protein. This flow only occurs during sleep. Amyloid beta protein buildup is involved in alzheimer’s.