Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Hot water can freeze faster than cold water.
181
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Nearly 50% of the world's scientists are assigned to military projects.
71
The storage capacity of human brain exceeds 4 Terrabytes.
140
Diamonds can be shattered with a hammer.
-104