The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
In zero gravity, a candle's flame is round and blue.
16
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65