The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Hong Kong has more Rolls Royces per person than anywhere else in the world.
32
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
Barbie's full name is Barbara Millicent Roberts.
78
If you had 10 billion $1 notes and spent one every second of every day, it would require 317 years for you to go broke.
109
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The average American uses eight times as much fuel energy as an average person anywhere else in the world.
28
Wearing red increases attraction.
30