Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
In zero gravity, a candle's flame is round and blue.
16
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
One third of the electricity produced on earth is used to power electric light bulbs!
75
The only letter not appearing on the Periodic Table is the letter "J".
180
The left ear is more responsive to words of love and emotion whispered into it than the right.
40