The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
20252 is Smokey the Bear's own zip code.
35
A jiffy is an actual unit of time for 1/100th of a second. Thus the saying, I will be there in a jiffy.
57
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
U-Haul is the world's largest advertiser in the Yellow Pages.
21
The first household refrigerators cost about $16,000, in today's money!
47
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14