At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Cold water weighs more than hot water.
93
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The storage capacity of human brain exceeds 4 Terrabytes.
140
One ragweed plant can release as many as one billion grains of pollen!
51
One third of the electricity produced on earth is used to power electric light bulbs!
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71