Play-Doh was first manufactured as a wallpaper cleaner.
122
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The human eye blinks an average of 4,200,000 times a year.
233
Dartboards are made out of horsehairs.
129
GTA V achieved $1 billion in sales just 3 days after its launch.
21
There are 293 ways to make change for a dollar.
148