U-Haul is the world's largest advertiser in the Yellow Pages.
21
The chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
In an average hour, there are over 61,000 Americans airborne over the United States.
24
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Caffeine boosts memory.
405
Q-Tip Cotton Swabs were originally called Baby Gays.
55
Play-Doh was first manufactured as a wallpaper cleaner.
122