› added 6 years ago

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TIL that a human being can remain perfectly functional after having an entire cerebral hemisphere removed. One patient completed college, attended graduate school and scored above average on intelligence tests, with literally only half a brain.

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RZna TIL that facts don’t win arguments because of something called the ‘backfire effect’ in which “corrections actually increase misperceptions among the group in question.” Since your friend knows you and your opinions well, he or she does not view you as an all-knowing source of information.
Ooe86 TIL the law governing firearms in Ireland used to consider airsoft guns legally equivalent to a 20mm anti-tank rifles, as the law failed to specify a minimum energy for a gun’s projectile.
Nyde TIL NASA Vehicle Assembly building interior volume is so vast that it has its own weather, including “rain clouds form[ing] below the ceiling on very humid days”
GY445 TIL the technical term for wood and metallic powder, shavings, filings and other byproducts from machining or working such material is called "Swarf". This is comprised of everything from metal shavings after a cut, to sawdust from cutting, to metallic powder from sharpening.
E1ABo TIL of Alice in Wonderland Syndrome. Most commonly found in children, sufferers experience sensory distortions, such as feeling their heads are far from their bodies, hearing amplified or altered sounds, hallucinations, and a feeling of depersonalization or separation from one's own body.