Play-Doh was first manufactured as a wallpaper cleaner.
122
The glue on Israeli stamps is certified kosher.
67
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
The hands of the clock on the back of the $100 bill are set at approximately 4:10.
72
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
The yin-yang pattern's earliest use is in Rome - not China!
125
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33