The only king without a moustache in a deck of cards is the king of hearts.
63
Play-Doh was first manufactured as a wallpaper cleaner.
122
Couples' personalities converge over time to make partners more and more similar.
235
By peeing in the shower, you can save 1,157 gallons of water a year.
31
The original game of "Monopoly" was circular.
230
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
People spend about two weeks of their lives at traffic lights!
159