Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
For every gallon of sea water, you get more than a quarter pound of salt.
45
Iron weighs more after it rusts.
68
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The average home creates more pollution than does the average car.
33
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
No matter how cold it gets, gasoline will not freeze.
107