American car horns beep in the tone of F.
66
Coins usually survive in circulation for about 30 years.
66
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Play-Doh was first manufactured as a wallpaper cleaner.
122
On average, the life span of an American dollar bill is eighteen months.
33
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14