The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Iron weighs more after it rusts.
68
Sound travels fifteen times faster through steel than through air.
134
Pumice is the only rock that floats on water.
14
Research indicates that plants grow healthier when they are stroked.
173
One cubic foot of gold weighs more than 1,200 pounds!
78
The storage capacity of human brain exceeds 4 Terrabytes.
140
No matter how cold it gets, gasoline will not freeze.
107