Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The average home creates more pollution than does the average car.
33
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16