Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Diamonds can be shattered with a hammer.
-104
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Billions of neutrinos pass unnoticed through your body every second.
6
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118