Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Iron weighs more after it rusts.
16
Most dust particles in your house are made from dead skin!
67
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The average temperature at 40,000 feet above sea level is -60 F.
56