Extremely high pressured water can easily cut through a steel beam.
51
In many countries, urine was used as a detergent for washing.
17
Like fingerprints, everyone's tongue print is different.
250
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
During his or her lifetime, the average human will grow 590 miles of hair.
69
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170

