Pumice is the only rock that floats on water.
14
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
One cubic foot of gold weighs more than 1,200 pounds!
78
Diamonds can be shattered with a hammer.
-104
Iron weighs more after it rusts.
68
Out of all the senses, smell is most closely linked to memory.
146
Liquid TIDE laundry detergent glows under a blacklight.
96
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114