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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Nylon is made from coal and petroleum.
42
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Iron weighs more after it rusts.
16
Research indicates that plants grow healthier when they are stroked.
173
The only letter not appearing on the Periodic Table is the letter "J".
180