Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
If the chemical sodium is dropped into water it will immediately and violently explode.
67
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Your brain is 80% water.
525
Out of all the senses, smell is most closely linked to memory.
146
One cubic foot of gold weighs more than 1,200 pounds!
78
A cubic yard of air weighs about 2 pounds at sea level.
31