The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The average home creates more pollution than does the average car.
33
Pumice is the only rock that floats on water.
14
The only letter not appearing on the Periodic Table is the letter "J".
180
One 75-watt bulb gives more light than three 25-watt bulbs.
57