Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Research indicates that plants grow healthier when they are stroked.
173
The force of a suction cup is calculated using F=AP.
15
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
No matter how cold it gets, gasoline will not freeze.
107
The left ear is more responsive to words of love and emotion whispered into it than the right.
40