One third of the electricity produced on earth is used to power electric light bulbs!
75
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Sound at the right vibration can bore holes through a solid object.
134
Research indicates that plants grow healthier when they are stroked.
173
Most dust particles in your house come from dead skin.
48
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
