If left alone, 70% of birthmarks gradually fade away.
193
In many countries, urine was used as a detergent for washing.
17
You burn more calories sleeping than you do watching television.
348
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
One human hair can support 3 ounces.
191
By peeing in the shower, you can save 1,157 gallons of water a year.
31
During his or her lifetime, the average human will grow 590 miles of hair.
69
You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102