If left alone, 70% of birthmarks gradually fade away.
193
62% of us pop our zits.
137
In many countries, urine was used as a detergent for washing.
17
"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
The human eye blinks an average of 4,200,000 times a year.
233
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
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