› added 1 year ago

195

TIL: The football huddle was first invented by a deaf college team (Gallaudet University) in 1894 to keep the opposing team (also deaf) from reading their plays which were signed in ASL

Read more gallaudet.edu

via reddit.com

KOvB9 TIL that potatoes and onions shouldn't be stored together because onions emit ethylene gas that spoils potatoes.
1aplW TIL After a decompression accident killed four people in 1983, doctors discovered that decompression does not kill from pressure, but that fat in the bloodstream suddenly condenses in veins and immediately stops all blood flow.
OGP7g TIL that Puerto Rican and Cuban flags are intentionally similar. The PR flag is an intentionally inverted-color version of Cuban flag.
5VrRp TIL that perhaps counterintuitively, defibrillators do not shock the heart to get it to beat normally- the shock actually stops the heart from beating altogether. This allows the natural automatic pacemaker of the heart to operate again and restore the heart's rhythm back to normal.
6Ejdl TIL the Oxpecker not only eats ticks off of African wildlife (like elephants), it also drinks their blood and makes wounds even larger. Scientists now think the birds are actually parasites and NOT an example of mutualism, where both parties benefit.