Only humans shed emotional tears.
331
Play-Doh was first manufactured as a wallpaper cleaner.
122
The strangers in your dreams are actually people that you've seen in real life.
50
Oak trees can live 200 or more years.
61
Wearing red increases attraction.
30
There are 86,400 seconds in a day.
110
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14