Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The only letter not appearing on the Periodic Table is the letter "J".
180
Hot water can freeze faster than cold water.
181
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13