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
No matter how cold it gets, gasoline will not freeze.
107
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
A cubic yard of air weighs about 2 pounds at sea level.
31
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101