Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Iron weighs more after it rusts.
68
Most dust particles in your house come from dead skin.
48
In zero gravity, a candle's flame is round and blue.
16
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Iron weighs more after it rusts.
16
Liquid TIDE laundry detergent glows under a blacklight.
96
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57