The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
In the White House, there are 13,092 knives, forks and spoons!
51
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
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
The most common name in the world is Mohammed.
213
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45
Oak trees can live 200 or more years.
61