One cubic foot of gold weighs more than 1,200 pounds!
78
Hot water can freeze faster than cold water.
181
One ragweed plant can release as many as one billion grains of pollen!
51
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Balsa wood is classified as a hard wood!
41
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57