Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
If the chemical sodium is dropped into water it will immediately and violently explode.
67
One cubic foot of gold weighs more than 1,200 pounds!
78
Sound travels fifteen times faster through steel than through air.
134
Nylon is made from coal and petroleum.
42
One barrel of petroleum holds 42 gallons.
20
Sound at the right vibration can bore holes through a solid object.
134
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9