Hot water can freeze faster than cold water.
181
According to studies, men change their minds two to three times more often than women.
72
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most dust particles in your house are made from dead skin!
67
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75