The key to happiness is spending your money on experiences rather than possessions, according to studies.
21
A typical lead pencil can draw a line that is 35 miles long.
158
The face of a penny can hold about thirty drops of water.
85
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
The only king without a moustache in a deck of cards is the king of hearts.
63
"Big Ben" in London isn't a tower, the bell inside the tower is called "Big Ben", the tower itself is called "The Elizabeth Tower".
18
In an average hour, there are over 61,000 Americans airborne over the United States.
24
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55