One cubic foot of gold weighs more than 1,200 pounds!
78
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The average temperature at 40,000 feet above sea level is -60 F.
56
Hot water can freeze faster than cold water.
181