The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
A quarter has 119 grooves on its edge, a dime has one less groove!
34
The number of births that occur in India each year is higher than the entire population of Australia.
66
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
If you're one in a million, there are about 7,234 people just like you.
31
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19