A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The sun is 330,330 times larger than the earth.
75
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Research indicates that plants grow healthier when they are stroked.
173
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
