For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
A donkey will sink in quicksand but a mule won't.
1k
A violin contains about 70 separate pieces of wood!
113
If the population of China walked past you, in single file, the line would never end because of the rate of reproduction.
1k
The opposite sides of a dice cube always add up to seven.
390