"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 chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
If you get water flowing fast enough, it can cut metal.
354
The best time for a person to buy shoes is in the afternoon. This is because the foot tends to swell a bit around this time.
49
The symbol on the 'pound' key (#) is called an octothorpe.
82
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
Standard paper cannot be folded in half more than 7 times.
232