By peeing in the shower, you can save 1,157 gallons of water a year.
31
Contrary to popular belief, hair does not grow back darker and thicker after it has been shaved.
71
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
If you dropped an aerodynamic object (such as a bullet) from the Empire State Building, you could kill someone.
132
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
A typical lead pencil can draw a line that is 35 miles long.
158
If the human eye was a digital camera, it would have 576 megapixels.
25