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TIL That the glottis (the opening in which air passes through when we breathe) expands when we are under heavy stress for increased oxygen intake. This causes the lump you feel in your throat when you are stressed/crying!

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VBeZ TIL Walmart gives its managers a 53-page handbook called “A Manager’s Toolbox to Remaining Union-Free ” which provides helpful strategies and tips for union-busting.
PblZ TIL during the filming of A Clockwork Orange Malcolm McDowell suffered cracked ribs when an actor kicked him in the chest; almost drowned when his head was held underwater; and got a scratch in the cornea of his eye. Kubrick said.“Let’s carry on, I’ll favor your other eye”
nem4r TIL of a section of passenger railroad in Alaska call the Hurricane Turn. Rather than making scheduled station stops, it operates as a flag-stop meaning passengers in this remote area can simply wave the train down to stop. It's one of the last true flag-stop trains in the U.S.
YpQp7 TIL that at the 2008 Beijing games the Danish mixed 49er's mast broke 20 mins before the final race so they had to borrow the Croatians 49er that the Danes then used to win gold with. Afterward, the Croatians received a "Pierre de Coubertin medal" for lending there boat to the Danes.
Y7gvA TIL About The Pinto Memo, where Ford weighed the cost of retrofitting cars to be safe vs the cost of payouts for injuries and deaths, it was cheaper to "Let Them Burn" so two years later the car model was launched