Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A cesium atom in an atomic clock beats over nine billion times a second.
43
The force of a suction cup is calculated using F=AP.
15
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
According to studies, men change their minds two to three times more often than women.
72
Each day, up to 150 species of life become extinct.
-23
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57