The iconic “Big Mac” McDonald’s burger wasn’t always known as such; invented and marketed in Pittsburgh, it was originally called “The Aristocrat” then “The Blue Ribbon Burger.”
The twist ties and plastic tags used to seal bread bags in the United States are color coded by the day of the week the bread was baked on (the color code is blue/Monday, green/Tuesday, red/Thursday, white/Friday, and yellow/Saturday); this visual cue is relatively useless to consumers but is very handy for harried stocking clerks filling the shelves every day.
Lagophthalmos is a medical condition wherein the patient cannot completely close their eyelids (typically as a result of a malfunctioning facial nerve); the most common surgical treatment is to insert tiny plates made of pure gold into the patient’s upper eyelid which provide just enough weight to pull the lid closed.
Cats spend more than two-thirds of their lives asleep; as kittens they sleep an average of eighteen hours a day and as adults they sleep an average of sixteen hours a day.
The metal foot on the end of a tape measure, or the “tang,” is designed to be loose; the tang floats slightly to account for its own width dependent on whether you’re measuring from the outside of an object (like from one end of a board to the other) or inside an object (like the distance one one edge of a window frame to another).
Haile Gebrselassie, an Ethiopian olympian with two gold medals and numerous long-distance running records to his name, has a rather peculiar habit of running with his left arm cradled to his chest; he developed this habit in childhood where he would clutch his books to his chest while running the ten kilometer route from his village to his school.